Don't include the tracing in gpu_memory_buffer.h

ui/gfx/gpu_memory_buffer.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 UI_GFX_GPU_MEMORY_BUFFER_H_
 #define UI_GFX_GPU_MEMORY_BUFFER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/memory/shared_memory.h"
-#include "base/trace_event/memory_dump_manager.h"
 #include "build/build_config.h"
 #include "ui/gfx/buffer_types.h"
 #include "ui/gfx/generic_shared_memory_id.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/gfx_export.h"
 
 #if defined(USE_OZONE)
 #include "ui/gfx/native_pixmap_handle.h"
 #elif defined(OS_MACOSX) && !defined(OS_IOS)
 #include "ui/gfx/mac/io_surface.h"
@@ skipping 26 matching lines @@
   base::SharedMemoryHandle handle;
   uint32_t offset;
   int32_t stride;
 #if defined(USE_OZONE)
   NativePixmapHandle native_pixmap_handle;
 #elif defined(OS_MACOSX) && !defined(OS_IOS)
   ScopedRefCountedIOSurfaceMachPort mach_port;
 #endif
 };
 
-base::trace_event::MemoryAllocatorDumpGuid GFX_EXPORT
-GetGpuMemoryBufferGUIDForTracing(uint64_t tracing_process_id,
-                                 GpuMemoryBufferId buffer_id);
-
 // This interface typically correspond to a type of shared memory that is also
 // shared with the GPU. A GPU memory buffer can be written to directly by
 // regular CPU code, but can also be read by the GPU.
 class GFX_EXPORT GpuMemoryBuffer {
  public:
   virtual ~GpuMemoryBuffer() {}
 
   // Maps each plane of the buffer into the client's address space so it can be
   // written to by the CPU. This call may block, for instance if the GPU needs
   // to finish accessing the buffer or if CPU caches need to be synchronized.
@@ skipping 28 matching lines @@
   // Returns a platform specific handle for this buffer.
   virtual GpuMemoryBufferHandle GetHandle() const = 0;
 
   // Type-checking downcast routine.
   virtual ClientBuffer AsClientBuffer() = 0;
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_GPU_MEMORY_BUFFER_H_