Image decode color: Push color profile from browser to renderer

content/browser/renderer_host/render_message_filter.cc

Index: content/browser/renderer_host/render_message_filter.cc
diff --git a/content/browser/renderer_host/render_message_filter.cc b/content/browser/renderer_host/render_message_filter.cc
index d3e33aee5e29571df3b43fce1947650ee32c8ca2..fd6dd9179b3c311684a2d5d34f3f079591292274 100644
--- a/content/browser/renderer_host/render_message_filter.cc
+++ b/content/browser/renderer_host/render_message_filter.cc
@@ -93,14 +93,6 @@ const uint32_t kFilteredMessageClasses[] = {
     ChildProcessMsgStart, RenderProcessMsgStart, ViewMsgStart,
 };
 
-#if defined(OS_WIN)
-// On Windows, |g_color_profile| can run on an arbitrary background thread.
-// We avoid races by using LazyInstance's constructor lock to initialize the
-// object.
-base::LazyInstance<gfx::ColorProfile>::Leaky g_color_profile =
-    LAZY_INSTANCE_INITIALIZER;
-#endif
-
 void DownloadUrlOnUIThread(scoped_ptr<DownloadUrlParameters> parameters) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
@@ -206,8 +198,6 @@ bool RenderMessageFilter::OnMessageReceived(const IPC::Message& message) {
 #elif defined(OS_WIN)
     IPC_MESSAGE_HANDLER(RenderProcessHostMsg_PreCacheFontCharacters,
                         OnPreCacheFontCharacters)
-    IPC_MESSAGE_HANDLER(RenderProcessHostMsg_GetMonitorColorProfile,
-                        OnGetMonitorColorProfile)
 #endif
     IPC_MESSAGE_HANDLER(ViewHostMsg_MediaLogEvents, OnMediaLogEvents)
     IPC_MESSAGE_UNHANDLED(handled = false)
@@ -229,11 +219,6 @@ void RenderMessageFilter::OverrideThreadForMessage(const IPC::Message& message,
 
 base::TaskRunner* RenderMessageFilter::OverrideTaskRunnerForMessage(
     const IPC::Message& message) {
-#if defined(OS_WIN)
-  // Windows monitor profile must be read from a file.
-  if (message.type() == RenderProcessHostMsg_GetMonitorColorProfile::ID)
-    return BrowserThread::GetBlockingPool();
-#endif
   // Always query audio device parameters on the audio thread.
   if (message.type() == ViewHostMsg_GetAudioHardwareConfig::ID)
     return audio_manager_->GetTaskRunner().get();
@@ -372,11 +357,6 @@ void RenderMessageFilter::OnPreCacheFontCharacters(
     DeleteEnhMetaFile(metafile);
 }
 
-void RenderMessageFilter::OnGetMonitorColorProfile(std::vector<char>* profile) {
-  DCHECK(!BrowserThread::CurrentlyOn(BrowserThread::IO));
-  *profile = g_color_profile.Get().profile();
-}
-
 #endif  // OS_*
 
 void RenderMessageFilter::DownloadUrl(int render_view_id,