electron/patches/chromium/can_create_window.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Cheng Zhao <zcbenz@gmail.com>
Date: Thu, 20 Sep 2018 17:45:32 -0700
Subject: can_create_window.patch

This adds a hook to the window creation flow so that Electron can intercede and
potentially prevent a window from being created.

TODO(loc): this patch is currently broken.

diff --git a/content/browser/frame_host/render_frame_host_impl.cc b/content/browser/frame_host/render_frame_host_impl.cc
index 4c04d36846d8fe26811aba2389abe177d07dab71..1cc23d34b7ff242e5bcac9089a41ae9b18cb935b 100644
--- a/content/browser/frame_host/render_frame_host_impl.cc
+++ b/content/browser/frame_host/render_frame_host_impl.cc
@@ -4796,6 +4796,7 @@ void RenderFrameHostImpl::CreateNewWindow(
           last_committed_origin_, params->window_container_type,
           params->target_url, params->referrer.To<Referrer>(),
           params->frame_name, params->disposition, *params->features,
+          params->raw_features, params->body,
           effective_transient_activation_state, params->opener_suppressed,
           &no_javascript_access);
 
diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
index 1afd8ac2c2cf78efa1386b89227e4a5d2ca0ce60..4a576f48e677c7d91726e9c59dd4a24a4d64c792 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -3087,9 +3087,9 @@ RenderFrameHostDelegate* WebContentsImpl::CreateNewWindow(
   }
 
   if (delegate_) {
-    delegate_->WebContentsCreated(this, render_process_id,
-                                  opener->GetRoutingID(), params.frame_name,
-                                  params.target_url, new_contents_impl);
+    delegate_->WebContentsCreatedWithFullParams(this, render_process_id,
+                                                opener->GetRoutingID(),
+                                                params, new_contents_impl);
   }
 
   for (auto& observer : observers_) {
diff --git a/content/common/frame.mojom b/content/common/frame.mojom
index 118a262e5e18c22df6a01312b9f99b235d60ae50..329a92f9c0089cf8f94c7cd2fe990204c670419c 100644
--- a/content/common/frame.mojom
+++ b/content/common/frame.mojom
@@ -277,6 +277,10 @@ struct CreateNewWindowParams {
 
   // The window features to use for the new window.
   blink.mojom.WindowFeatures features;
+
+  // Extra fields added by Electron.
+  string raw_features;
+  network.mojom.URLRequestBody? body;
 };
 
 // Operation result when the renderer asks the browser to create a new window.
diff --git a/content/public/browser/content_browser_client.cc b/content/public/browser/content_browser_client.cc
index 87375b2ef10c24b5d8d0f604f6a9ee601a706a0c..84ca4325a72a5c4267d43e5be9bfd7b73efa0b86 100644
--- a/content/public/browser/content_browser_client.cc
+++ b/content/public/browser/content_browser_client.cc
@@ -529,6 +529,8 @@ bool ContentBrowserClient::CanCreateWindow(
     const std::string& frame_name,
     WindowOpenDisposition disposition,
     const blink::mojom::WindowFeatures& features,
+    const std::string& raw_features,
+    const scoped_refptr<network::ResourceRequestBody>& body,
     bool user_gesture,
     bool opener_suppressed,
     bool* no_javascript_access) {
diff --git a/content/public/browser/content_browser_client.h b/content/public/browser/content_browser_client.h
index edf60410ba571866b03968804543188f7f00c088..00f3f557ccf69760c4e0ac7c9fcc7d048e21e8d8 100644
--- a/content/public/browser/content_browser_client.h
+++ b/content/public/browser/content_browser_client.h
@@ -147,6 +147,7 @@ class NetworkService;
 class TrustedURLLoaderHeaderClient;
 }  // namespace mojom
 struct ResourceRequest;
+class ResourceRequestBody;
 }  // namespace network
 
 namespace sandbox {
@@ -849,6 +850,8 @@ class CONTENT_EXPORT ContentBrowserClient {
       const std::string& frame_name,
       WindowOpenDisposition disposition,
       const blink::mojom::WindowFeatures& features,
+      const std::string& raw_features,
+      const scoped_refptr<network::ResourceRequestBody>& body,
       bool user_gesture,
       bool opener_suppressed,
       bool* no_javascript_access);
diff --git a/content/public/browser/web_contents_delegate.cc b/content/public/browser/web_contents_delegate.cc
index 50936cd961bf4d0e026ee3d150a34892e94601dd..f62a39dc9904f4edd7cc4e407c3d1ec58c0853c8 100644
--- a/content/public/browser/web_contents_delegate.cc
+++ b/content/public/browser/web_contents_delegate.cc
@@ -26,6 +26,17 @@ namespace content {
 
 WebContentsDelegate::WebContentsDelegate() = default;
 
+void WebContentsDelegate::WebContentsCreatedWithFullParams(
+    WebContents* source_contents,
+    int opener_render_process_id,
+    int opener_render_frame_id,
+    const mojom::CreateNewWindowParams& params,
+    WebContents* new_contents) {
+  WebContentsCreated(source_contents, opener_render_process_id,
+                     opener_render_frame_id, params.frame_name,
+                     params.target_url, new_contents);
+}
+
 WebContents* WebContentsDelegate::OpenURLFromTab(WebContents* source,
                                                  const OpenURLParams& params) {
   return nullptr;
diff --git a/content/public/browser/web_contents_delegate.h b/content/public/browser/web_contents_delegate.h
index e545ff70c612e98cdd79230303273a3ec7bfcaac..405152e0e90bc76b7de9c3e6946944f3ad852e5d 100644
--- a/content/public/browser/web_contents_delegate.h
+++ b/content/public/browser/web_contents_delegate.h
@@ -16,6 +16,7 @@
 #include "base/strings/string16.h"
 #include "build/build_config.h"
 #include "content/common/content_export.h"
+#include "content/common/frame.mojom.h"
 #include "content/public/browser/bluetooth_chooser.h"
 #include "content/public/browser/bluetooth_scanning_prompt.h"
 #include "content/public/browser/eye_dropper.h"
@@ -337,6 +338,13 @@ class CONTENT_EXPORT WebContentsDelegate {
       const std::string& partition_id,
       SessionStorageNamespace* session_storage_namespace);
 
+  virtual void WebContentsCreatedWithFullParams(
+      WebContents* source_contents,
+      int opener_render_process_id,
+      int opener_render_frame_id,
+      const mojom::CreateNewWindowParams& params,
+      WebContents* new_contents);
+
   // Notifies the delegate about the creation of a new WebContents. This
   // typically happens when popups are created.
   virtual void WebContentsCreated(WebContents* source_contents,
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index c6a990f873066fec1ac7ce5e088ecd02d2142e71..272b613f658ef4bfa3869cbd17d342ceef665142 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -67,6 +67,7 @@
 #include "content/renderer/history_serialization.h"
 #include "content/renderer/internal_document_state_data.h"
 #include "content/renderer/loader/request_extra_data.h"
+#include "content/renderer/loader/web_url_request_util.h"
 #include "content/renderer/media/audio/audio_device_factory.h"
 #include "content/renderer/render_frame_impl.h"
 #include "content/renderer/render_frame_proxy.h"
@@ -1235,6 +1236,10 @@ WebView* RenderViewImpl::CreateView(
   }
   params->features = ConvertWebWindowFeaturesToMojoWindowFeatures(features);
 
+  params->raw_features = features.raw_features.Utf8(
+      WTF::UTF8ConversionMode::kStrictUTF8ConversionReplacingUnpairedSurrogatesWithFFFD);
+  params->body = GetRequestBodyForWebURLRequest(request);
+
   // We preserve this information before sending the message since |params| is
   // moved on send.
   bool is_background_tab =
diff --git a/content/shell/browser/web_test/web_test_content_browser_client.cc b/content/shell/browser/web_test/web_test_content_browser_client.cc
index 1d17a41e553bf4d7181a1dcfac9f9e379b6dffcb..384d7150daaeda547e0085e3031b706784ceb7dd 100644
--- a/content/shell/browser/web_test/web_test_content_browser_client.cc
+++ b/content/shell/browser/web_test/web_test_content_browser_client.cc
@@ -399,6 +399,8 @@ bool WebTestContentBrowserClient::CanCreateWindow(
     const std::string& frame_name,
     WindowOpenDisposition disposition,
     const blink::mojom::WindowFeatures& features,
+    const std::string& raw_features,
+    const scoped_refptr<network::ResourceRequestBody>& body,
     bool user_gesture,
     bool opener_suppressed,
     bool* no_javascript_access) {
diff --git a/content/shell/browser/web_test/web_test_content_browser_client.h b/content/shell/browser/web_test/web_test_content_browser_client.h
index 21f7e0d85006bc35872c237b98a14d9644bb1488..d3fef30d9731e4cc6cfe404003b9b1fa8cea53e1 100644
--- a/content/shell/browser/web_test/web_test_content_browser_client.h
+++ b/content/shell/browser/web_test/web_test_content_browser_client.h
@@ -79,6 +79,8 @@ class WebTestContentBrowserClient : public ShellContentBrowserClient {
                        const std::string& frame_name,
                        WindowOpenDisposition disposition,
                        const blink::mojom::WindowFeatures& features,
+                       const std::string& raw_features,
+                       const scoped_refptr<network::ResourceRequestBody>& body,
                        bool user_gesture,
                        bool opener_suppressed,
                        bool* no_javascript_access) override;
diff --git a/third_party/blink/public/web/web_window_features.h b/third_party/blink/public/web/web_window_features.h
index 4f735ad0d97eaac9a57dad137e479f8a7ec33a36..0a3c5821962c85609b64b3625fa6b8d658cd9ab2 100644
--- a/third_party/blink/public/web/web_window_features.h
+++ b/third_party/blink/public/web/web_window_features.h
@@ -31,6 +31,8 @@
 #ifndef THIRD_PARTY_BLINK_PUBLIC_WEB_WEB_WINDOW_FEATURES_H_
 #define THIRD_PARTY_BLINK_PUBLIC_WEB_WEB_WINDOW_FEATURES_H_
 
+#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
+
 namespace blink {
 
 struct WebWindowFeatures {
@@ -60,6 +62,8 @@ struct WebWindowFeatures {
   bool noreferrer = false;
   bool background = false;
   bool persistent = false;
+
+  String raw_features;
 };
 
 }  // namespace blink
diff --git a/third_party/blink/renderer/core/frame/local_dom_window.cc b/third_party/blink/renderer/core/frame/local_dom_window.cc
index 314bc6c11a62bf0cc10c2323183caf97c1e2de16..df08ad7696358c70b2644ad07caefa913ceeeb30 100644
--- a/third_party/blink/renderer/core/frame/local_dom_window.cc
+++ b/third_party/blink/renderer/core/frame/local_dom_window.cc
@@ -2011,6 +2011,7 @@ DOMWindow* LocalDOMWindow::open(v8::Isolate* isolate,
   }
 
   WebWindowFeatures window_features = GetWindowFeaturesFromString(features);
+  window_features.raw_features = features;
 
   FrameLoadRequest frame_request(incumbent_window->document(),
                                  ResourceRequest(completed_url));