Fix a bug so GPU blacklist for accelerated 2d canvas is honored.

content/browser/renderer_host/browser_render_process_host.cc

 // Copyright (c) 2011 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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/browser_render_process_host.h"
 
 #include <algorithm>
@@ skipping 516 matching lines @@
     CommandLine* renderer_cmd) const {
   // Propagate the following switches to the renderer command line (along
   // with any associated values) if present in the browser command line.
   static const char* const kSwitchNames[] = {
     // We propagate the Chrome Frame command line here as well in case the
     // renderer is not run in the sandbox.
     switches::kAuditAllHandles,
     switches::kAuditHandles,
     switches::kChromeFrame,
     switches::kDisable3DAPIs,
+    switches::kDisableAccelerated2dCanvas,

[jamesr, 2011/09/22 21:14:36]

what does this line actually do?

     switches::kDisableAcceleratedCompositing,
     switches::kDisableApplicationCache,
     switches::kDisableAudio,
     switches::kDisableBreakpad,
     switches::kDisableDataTransferItems,
     switches::kDisableDatabases,
     switches::kDisableDesktopNotifications,
     switches::kDisableDeviceOrientation,
+    switches::kDisableExperimentalWebGL,
     switches::kDisableFileSystem,
     switches::kDisableGeolocation,
     switches::kDisableGLMultisampling,
     switches::kDisableGLSLTranslator,
     switches::kDisableGpuDriverBugWorkarounds,
     switches::kDisableGpuVsync,
     switches::kDisableIndexedDatabase,
     switches::kDisableJavaScriptI18NAPI,
     switches::kDisableLocalStorage,
     switches::kDisableLogging,
@@ skipping 435 matching lines @@
 void BrowserRenderProcessHost::OnRevealFolderInOS(const FilePath& path) {
   // Only honor the request if appropriate persmissions are granted.
   if (ChildProcessSecurityPolicy::GetInstance()->CanReadFile(id(), path))
     content::GetContentClient()->browser()->OpenItem(path);
 }
 
 void BrowserRenderProcessHost::OnSavedPageAsMHTML(int job_id, bool success) {
   content::GetContentClient()->browser()->GetMHTMLGenerationManager()->
       MHTMLGenerated(job_id, success);
 }