Show GpuMemoryBuffer feature in chrome://gpu

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 {
 
 // Note: When adding a function here, please make sure the logic is not
 // duplicated in the renderer.
 
 // Returns true if property tree verification is enabled (via flags or platform
 // default).
 CONTENT_EXPORT bool IsPropertyTreeVerificationEnabled();
 
 // Returns true if zero-copy uploads is on (via flags, or platform default).
 // Only one of one-copy and zero-copy can be enabled at a time.
 CONTENT_EXPORT bool IsZeroCopyUploadEnabled();
 
+// Returns true if native GpuMemoryBuffer can be used and is on (via flags, or

[reveman, 2015/10/16 18:37:43]

nit: s/GpuMemoryBuffer/GpuMemoryBuffers/

+// platform default).
+CONTENT_EXPORT bool IsNativeGpuMemoryBufferEnabled();

[reveman, 2015/10/16 18:37:43]

nit: s/GpuMemoryBuffer/GpuMemoryBuffers/

I think "Is" is correct as it's referring to the feature and not the buffers.

+
 // Returns true if a persistent GpuMemoryBuffer can be used and is on (via
 // flags, or platform default).
 CONTENT_EXPORT bool IsPersistentGpuMemoryBufferEnabled();
 
 // Returns true if gpu rasterization is on (via flags) for the renderer.
 CONTENT_EXPORT bool IsGpuRasterizationEnabled();
 
 // Returns the number of multisample antialiasing samples (via flags) for
 // GPU rasterization.
 CONTENT_EXPORT int GpuRasterizationMSAASampleCount();
 
 // Returns true if force-gpu-rasterization is on (via flags) for the renderer.
 CONTENT_EXPORT bool IsForceGpuRasterizationEnabled();
 
 // Returns the number of raster threads to use for compositing.
 CONTENT_EXPORT int NumberOfRendererRasterThreads();
 
 // Returns true if using cc Surfaces is allowed.
 CONTENT_EXPORT bool UseSurfacesEnabled();
 
 CONTENT_EXPORT base::DictionaryValue* GetFeatureStatus();
+CONTENT_EXPORT base::DictionaryValue* GetGmbStatus();
 CONTENT_EXPORT base::Value* GetProblems();
 CONTENT_EXPORT std::vector<std::string> GetDriverBugWorkarounds();
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_GPU_COMPOSITOR_UTIL_H_