[tracing] Introduce MemoryDumpArgs to enable light and heavy dumps

content/browser/gpu/browser_gpu_memory_buffer_manager.h

 // Copyright 2014 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_BROWSER_GPU_MEMORY_BUFFER_MANAGER_H_
 #define CONTENT_BROWSER_GPU_BROWSER_GPU_MEMORY_BUFFER_MANAGER_H_
 
 #include <vector>
 
 #include "base/callback.h"
@@ skipping 24 matching lines @@
   scoped_ptr<gfx::GpuMemoryBuffer> AllocateGpuMemoryBuffer(
       const gfx::Size& size,
       gfx::BufferFormat format,
       gfx::BufferUsage usage) override;
   gfx::GpuMemoryBuffer* GpuMemoryBufferFromClientBuffer(
       ClientBuffer buffer) override;
   void SetDestructionSyncPoint(gfx::GpuMemoryBuffer* buffer,
                                uint32 sync_point) override;
 
   // Overridden from base::trace_event::MemoryDumpProvider:
-  bool OnMemoryDump(base::trace_event::ProcessMemoryDump* pmd) override;
+  bool OnMemoryDump(const base::trace_event::MemoryDumpArgs& args,
+                    base::trace_event::ProcessMemoryDump* pmd) override;
 
   // Virtual for testing.
   virtual scoped_ptr<gfx::GpuMemoryBuffer> AllocateGpuMemoryBufferForScanout(
       const gfx::Size& size,
       gfx::BufferFormat format,
       int32 surface_id);
 
   void AllocateGpuMemoryBufferForChildProcess(
       const gfx::Size& size,
       gfx::BufferFormat format,
@@ skipping 81 matching lines @@
   using BufferMap = base::hash_map<gfx::GpuMemoryBufferId, BufferInfo>;
   using ClientMap = base::hash_map<int, BufferMap>;
   ClientMap clients_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserGpuMemoryBufferManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_GPU_BROWSER_GPU_MEMORY_BUFFER_MANAGER_H_