Move client hints to content

https://chromium-review.googlesource.com/c/chromium/src/+/1376709

atom/browser/atom_browser_context.cc

@@ -37,6 +37,7 @@
 #include "components/proxy_config/pref_proxy_config_tracker_impl.h"
 #include "components/proxy_config/proxy_config_pref_names.h"
 #include "content/browser/blob_storage/chrome_blob_storage_context.h"
+#include "content/public/browser/browser_thread.h"
 #include "content/public/browser/storage_partition.h"
 #include "net/base/escape.h"
 
@@ -260,6 +261,11 @@ AtomBrowserContext::GetBrowsingDataRemoverDelegate() {
   return nullptr;
 }
 
+content::ClientHintsControllerDelegate*
+AtomBrowserContext::GetClientHintsControllerDelegate() {
+  return nullptr;
+}
+
 net::URLRequestContextGetter*
 AtomBrowserContext::CreateRequestContextForStoragePartition(
     const base::FilePath& partition_path,

atom/browser/atom_browser_context.h

@@ -88,6 +88,8 @@ class AtomBrowserContext
       content::ProtocolHandlerMap* protocol_handlers,
       content::URLRequestInterceptorScopedVector request_interceptors) override;
   net::URLRequestContextGetter* CreateMediaRequestContext() override;
+  content::ClientHintsControllerDelegate* GetClientHintsControllerDelegate()
+      override;
 
   CookieChangeNotifier* cookie_change_notifier() const {
     return cookie_change_notifier_.get();