Revert of Move NumberOfPlanesForGpuMemoryBufferFormat to gfx

content/common/gpu/client/gpu_memory_buffer_impl.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_COMMON_GPU_CLIENT_GPU_MEMORY_BUFFER_IMPL_H_
 #define CONTENT_COMMON_GPU_CLIENT_GPU_MEMORY_BUFFER_IMPL_H_
 
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/common/content_export.h"
@@ skipping 16 matching lines @@
   static scoped_ptr<GpuMemoryBufferImpl> CreateFromHandle(
       const gfx::GpuMemoryBufferHandle& handle,
       const gfx::Size& size,
       gfx::BufferFormat format,
       gfx::BufferUsage usage,
       const DestructionCallback& callback);
 
   // Type-checking upcast routine. Returns an NULL on failure.
   static GpuMemoryBufferImpl* FromClientBuffer(ClientBuffer buffer);
 
+  // Returns the number of planes based on the format of the buffer.
+  static size_t NumberOfPlanesForGpuMemoryBufferFormat(
+      gfx::BufferFormat format);
+
   // Returns the subsampling factor applied to the given zero-indexed |plane| of
   // the |format| both horizontally and vertically.
   static size_t SubsamplingFactor(gfx::BufferFormat format, int plane);
 
   // Returns the number of bytes used to store a row of the given zero-indexed
   // |plane| of |format|.
   // Note: This is an approximation and the exact size used by an implementation
   // might be different.
   static bool RowSizeInBytes(size_t width,
                              gfx::BufferFormat format,
@@ skipping 31 matching lines @@
   bool mapped_;
   uint32 destruction_sync_point_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(GpuMemoryBufferImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_CLIENT_GPU_MEMORY_BUFFER_IMPL_H_