refactor: move duplicate code to RendererClientBase::ShouldLoadPreload helper (#34520)

Co-authored-by: Milan Burda <milan.burda@gmail.com>

shell/renderer/electron_renderer_client.cc

@@ -24,15 +24,6 @@
 
 namespace electron {
 
-namespace {
-
-bool IsDevToolsExtension(content::RenderFrame* render_frame) {
-  return static_cast<GURL>(render_frame->GetWebFrame()->GetDocument().Url())
-      .SchemeIs("chrome-extension");
-}
-
-}  // namespace
-
 ElectronRendererClient::ElectronRendererClient()
     : node_bindings_(
           NodeBindings::Create(NodeBindings::BrowserEnvironment::kRenderer)),
@@ -77,15 +68,7 @@ void ElectronRendererClient::DidCreateScriptContext(
 
   // Only load Node.js if we are a main frame or a devtools extension
   // unless Node.js support has been explicitly enabled for subframes.
-  auto prefs = render_frame->GetBlinkPreferences();
-  bool is_main_frame = render_frame->IsMainFrame();
-  bool is_devtools = IsDevToolsExtension(render_frame);
-  bool allow_node_in_subframes = prefs.node_integration_in_sub_frames;
-
-  bool should_load_node =
-      (is_main_frame || is_devtools || allow_node_in_subframes) &&
-      !IsWebViewFrame(renderer_context, render_frame);
-  if (!should_load_node)
+  if (!ShouldLoadPreload(renderer_context, render_frame))
     return;
 
   injected_frames_.insert(render_frame);

shell/renderer/electron_sandboxed_renderer_client.cc

@@ -36,16 +36,6 @@ namespace {
 const char kLifecycleKey[] = "lifecycle";
 const char kModuleCacheKey[] = "native-module-cache";
 
-bool IsDevTools(content::RenderFrame* render_frame) {
-  return render_frame->GetWebFrame()->GetDocument().Url().ProtocolIs(
-      "devtools");
-}
-
-bool IsDevToolsExtension(content::RenderFrame* render_frame) {
-  return render_frame->GetWebFrame()->GetDocument().Url().ProtocolIs(
-      "chrome-extension");
-}
-
 v8::Local<v8::Object> GetModuleCache(v8::Isolate* isolate) {
   auto context = isolate->GetCurrentContext();
   gin_helper::Dictionary global(isolate, context->Global());
@@ -207,17 +197,7 @@ void ElectronSandboxedRendererClient::DidCreateScriptContext(
   // Only allow preload for the main frame or
   // For devtools we still want to run the preload_bundle script
   // Or when nodeSupport is explicitly enabled in sub frames
-  bool is_main_frame = render_frame->IsMainFrame();
-  bool is_devtools =
-      IsDevTools(render_frame) || IsDevToolsExtension(render_frame);
-
-  bool allow_node_in_sub_frames =
-      render_frame->GetBlinkPreferences().node_integration_in_sub_frames;
-
-  bool should_load_preload =
-      (is_main_frame || is_devtools || allow_node_in_sub_frames) &&
-      !IsWebViewFrame(context, render_frame);
-  if (!should_load_preload)
+  if (!ShouldLoadPreload(context, render_frame))
     return;
 
   injected_frames_.insert(render_frame);

shell/renderer/renderer_client_base.cc

@@ -134,6 +134,16 @@ class ChromePdfInternalPluginDelegate final
 // static
 RendererClientBase* g_renderer_client_base = nullptr;
 
+bool IsDevTools(content::RenderFrame* render_frame) {
+  return render_frame->GetWebFrame()->GetDocument().Url().ProtocolIs(
+      "devtools");
+}
+
+bool IsDevToolsExtension(content::RenderFrame* render_frame) {
+  return render_frame->GetWebFrame()->GetDocument().Url().ProtocolIs(
+      "chrome-extension");
+}
+
 }  // namespace
 
 RendererClientBase::RendererClientBase() {
@@ -196,6 +206,19 @@ void RendererClientBase::BindProcess(v8::Isolate* isolate,
   process->SetReadOnly("contextId", context_id);
 }
 
+bool RendererClientBase::ShouldLoadPreload(
+    v8::Handle<v8::Context> context,
+    content::RenderFrame* render_frame) const {
+  auto prefs = render_frame->GetBlinkPreferences();
+  bool is_main_frame = render_frame->IsMainFrame();
+  bool is_devtools =
+      IsDevTools(render_frame) || IsDevToolsExtension(render_frame);
+  bool allow_node_in_sub_frames = prefs.node_integration_in_sub_frames;
+
+  return (is_main_frame || is_devtools || allow_node_in_sub_frames) &&
+         !IsWebViewFrame(context, render_frame);
+}
+
 void RendererClientBase::RenderThreadStarted() {
   auto* command_line = base::CommandLine::ForCurrentProcess();
 

shell/renderer/renderer_client_base.h

@@ -93,6 +93,9 @@ class RendererClientBase : public content::ContentRendererClient
                    gin_helper::Dictionary* process,
                    content::RenderFrame* render_frame);
 
+  bool ShouldLoadPreload(v8::Handle<v8::Context> context,
+                         content::RenderFrame* render_frame) const;
+
   // content::ContentRendererClient:
   void RenderThreadStarted() override;
   void ExposeInterfacesToBrowser(mojo::BinderMap* binders) override;