Don't include the tracing in gpu_memory_buffer.h

ui/gfx/gpu_memory_buffer_tracing.cc

Index: ui/gfx/gpu_memory_buffer_tracing.cc
diff --git a/ui/gfx/gpu_memory_buffer.cc b/ui/gfx/gpu_memory_buffer_tracing.cc
similarity index 56%
copy from ui/gfx/gpu_memory_buffer.cc
copy to ui/gfx/gpu_memory_buffer_tracing.cc
index 1f9c1b092cc6d80151b4da54214684d08c819d73..86642b60946a885ebb3b27465eee99796a489a11 100644
--- a/ui/gfx/gpu_memory_buffer.cc
+++ b/ui/gfx/gpu_memory_buffer_tracing.cc
@@ -1,8 +1,8 @@
-// Copyright 2013 The Chromium Authors. All rights reserved.
+// Copyright 2016 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.
 
-#include "ui/gfx/gpu_memory_buffer.h"
+#include "ui/gfx/gpu_memory_buffer_tracing.h"
 
 namespace gfx {
 
@@ -16,16 +16,4 @@ base::trace_event::MemoryAllocatorDumpGuid GetGpuMemoryBufferGUIDForTracing(
                                                    buffer_id);
 }
 
-GpuMemoryBufferHandle::GpuMemoryBufferHandle()
-    : type(EMPTY_BUFFER), id(0), handle(base::SharedMemory::NULLHandle()) {
-}
-
-GpuMemoryBufferHandle::GpuMemoryBufferHandle(
-    const GpuMemoryBufferHandle& other) = default;
-
-GpuMemoryBufferHandle::~GpuMemoryBufferHandle() {}
-
-void GpuMemoryBuffer::SetColorSpaceForScanout(
-    const gfx::ColorSpace& color_space) {}
-
 }  // namespace gfx