cc: Trigger GPU rasterization based on a per-layer hint

content/browser/gpu/compositor_util.h

 // Copyright 2013 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.
 
 #ifndef CONTENT_BROWSER_GPU_COMPOSITOR_UTIL_H_
 #define CONTENT_BROWSER_GPU_COMPOSITOR_UTIL_H_
 
 #include "base/values.h"
 #include "content/common/content_export.h"
 
 namespace content {
 
 // Returns true if the threaded compositor is on (via flags or field trial).
 CONTENT_EXPORT bool IsThreadedCompositingEnabled();
 
 // Returns true if force-compositing-mode is on (via flags or field trial).
 CONTENT_EXPORT bool IsForceCompositingModeEnabled();
 
 // Returns true if delegated-renderer is on (via flags, or platform default).
 CONTENT_EXPORT bool IsDelegatedRendererEnabled();
 
+// Returns ture if impl-side painting is on (via flags, or platform default).

[piman, 2014/03/07 19:41:04]

nit: s/ture/true/

Can you add a note saying this only affects the renderer?

[ajuma, 2014/03/07 20:21:11]

Done.

+CONTENT_EXPORT bool IsImplSidePaintingEnabled();
+
 CONTENT_EXPORT base::Value* GetFeatureStatus();
 CONTENT_EXPORT base::Value* GetProblems();
 CONTENT_EXPORT base::Value* GetDriverBugWorkarounds();
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_GPU_COMPOSITOR_UTIL_H_