[tracing] Introduce MemoryDumpArgs to enable light and heavy dumps

content/common/gpu/gpu_channel.h

 // Copyright (c) 2012 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_GPU_CHANNEL_H_
 #define CONTENT_COMMON_GPU_GPU_CHANNEL_H_
 
 #include <deque>
 #include <string>
 
@@ skipping 160 matching lines @@
 
   void HandleUpdateValueState(unsigned int target,
                               const gpu::ValueState& state);
 
   // Visible for testing.
   const gpu::ValueStateMap* pending_valuebuffer_state() const {
     return pending_valuebuffer_state_.get();
   }
 
   // base::trace_event::MemoryDumpProvider implementation.
-  bool OnMemoryDump(base::trace_event::ProcessMemoryDump* pmd) override;
+  bool OnMemoryDump(const base::trace_event::MemoryDumpArgs& args,
+                    base::trace_event::ProcessMemoryDump* pmd) override;
 
  private:
   friend class GpuChannelMessageFilter;
 
   void OnDestroy();
 
   bool OnControlMessageReceived(const IPC::Message& msg);
 
   void HandleMessage();
 
@@ skipping 73 matching lines @@
   // that any WeakPtrs to Controller are invalidated before its members
   // variable's destructors are executed, rendering them invalid.
   base::WeakPtrFactory<GpuChannel> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuChannel);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_GPU_CHANNEL_H_