Raise an infobar and deny access to WebGL if a GPU reset was detected while a web page containing W…

content/browser/web_contents/web_contents_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/web_contents/web_contents_impl.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
@@ skipping 2334 matching lines @@
   // BrowserPluginEmbedder. Thus, this code will not be executed if a
   // BrowserPluginEmbedder exists for this WebContents.
   CHECK(!browser_plugin_embedder_.get());
   browser_plugin_embedder_.reset(
       BrowserPluginEmbedder::Create(this, GetRenderViewHost()));
   browser_plugin_embedder_->CreateGuest(GetRenderViewHost(),
                                         instance_id,
                                         params);
 }
 
+void WebContentsImpl::DidBlock3DAPIs(const GURL& url,
+                                     content::ThreeDAPIType requester) {
+  ObserverListBase<WebContentsObserver>::Iterator it(observers_);
+  WebContentsObserver* observer;
+  while ((observer = it.GetNext()) != NULL) {
+    observer->DidBlock3DAPIs(url, requester);
+  }

[jam, 2012/11/15 16:57:25]

this could be written as

FOR_EACH_OBSERVER(WebContentsObserver, observers_,
                  DidBlock3DAPIs(url, requester));

(the one that you copied from OnMessageReceived is more complicated because it
looks at the return value)

[Ken Russell (switch to Gerrit), 2012/11/15 20:53:25]

Done.

+}
+
 // Notifies the RenderWidgetHost instance about the fact that the page is
 // loading, or done loading and calls the base implementation.
 void WebContentsImpl::SetIsLoading(bool is_loading,
                                    LoadNotificationDetails* details) {
   if (is_loading == is_loading_)
     return;
 
   if (!is_loading) {
     load_state_ = net::LoadStateWithParam(net::LOAD_STATE_IDLE, string16());
     load_state_host_.clear();
@@ skipping 972 matching lines @@
 
 BrowserPluginGuest* WebContentsImpl::GetBrowserPluginGuest() {
   return browser_plugin_guest_.get();
 }
 
 BrowserPluginEmbedder* WebContentsImpl::GetBrowserPluginEmbedder() {
   return browser_plugin_embedder_.get();
 }
 
 }  // namespace content