Dump MappedMemoryManager memory via GLES2Implementation

gpu/command_buffer/client/mapped_memory.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 GPU_COMMAND_BUFFER_CLIENT_MAPPED_MEMORY_H_
 #define GPU_COMMAND_BUFFER_CLIENT_MAPPED_MEMORY_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 103 matching lines @@
 
  private:
   int32_t shm_id_;
   scoped_refptr<gpu::Buffer> shm_;
   FencedAllocatorWrapper allocator_;
 
   DISALLOW_COPY_AND_ASSIGN(MemoryChunk);
 };
 
 // Manages MemoryChunks.
-class GPU_EXPORT MappedMemoryManager
-    : public base::trace_event::MemoryDumpProvider {
+class GPU_EXPORT MappedMemoryManager {
  public:
   enum MemoryLimit {
     kNoLimit = 0,
   };
 
   // |unused_memory_reclaim_limit|: When exceeded this causes pending memory
   // to be reclaimed before allocating more memory.
   MappedMemoryManager(CommandBufferHelper* helper,
                       size_t unused_memory_reclaim_limit);
 
-  ~MappedMemoryManager() override;
+  ~MappedMemoryManager();
 
   unsigned int chunk_size_multiple() const {
     return chunk_size_multiple_;
   }
 
   void set_chunk_size_multiple(unsigned int multiple) {
     DCHECK(multiple % FencedAllocator::kAllocAlignment == 0);
     chunk_size_multiple_ = multiple;
   }
 
@@ skipping 25 matching lines @@
   // be re-allocated until the token has passed through the command stream.
   //
   // Parameters:
   //   pointer: the pointer to the memory block to free.
   //   token: the token value to wait for before re-using the memory.
   void FreePendingToken(void* pointer, int32_t token);
 
   // Free Any Shared memory that is not in use.
   void FreeUnused();
 
-  // Overridden from base::trace_event::MemoryDumpProvider:
+  // Dump memory usage - called from GLES2Implementation.
   bool OnMemoryDump(const base::trace_event::MemoryDumpArgs& args,
-                    base::trace_event::ProcessMemoryDump* pmd) override;
+                    base::trace_event::ProcessMemoryDump* pmd);
 
   // Used for testing
   size_t num_chunks() const {
     return chunks_.size();
   }
 
   size_t bytes_in_use() const {
     size_t bytes_in_use = 0;
     for (size_t ii = 0; ii < chunks_.size(); ++ii) {
       bytes_in_use += chunks_[ii]->bytes_in_use();
@@ skipping 79 matching lines @@
   uint32_t shm_offset_;
   bool flush_after_release_;
   CommandBufferHelper* helper_;
   MappedMemoryManager* mapped_memory_manager_;
   DISALLOW_COPY_AND_ASSIGN(ScopedMappedMemoryPtr);
 };
 
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_MAPPED_MEMORY_H_