Dump MappedMemoryManager memory via GLES2Implementation

gpu/command_buffer/client/mapped_memory.cc

 // Copyright (c) 2011 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 "gpu/command_buffer/client/mapped_memory.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 29 matching lines @@
 MemoryChunk::~MemoryChunk() {}
 
 MappedMemoryManager::MappedMemoryManager(CommandBufferHelper* helper,
                                          size_t unused_memory_reclaim_limit)
     : chunk_size_multiple_(FencedAllocator::kAllocAlignment),
       helper_(helper),
       allocated_memory_(0),
       max_free_bytes_(unused_memory_reclaim_limit),
       max_allocated_bytes_(SharedMemoryLimits::kNoLimit),
       tracing_id_(g_next_mapped_memory_manager_tracing_id.GetNext()) {
-  // In certain cases, ThreadTaskRunnerHandle isn't set (Android Webview).
-  // Don't register a dump provider in these cases.
-  // TODO(ericrk): Get this working in Android Webview. crbug.com/517156
-  if (base::ThreadTaskRunnerHandle::IsSet()) {
-    base::trace_event::MemoryDumpManager::GetInstance()->RegisterDumpProvider(
-        this, "gpu::MappedMemoryManager", base::ThreadTaskRunnerHandle::Get());
-  }
 }
 
 MappedMemoryManager::~MappedMemoryManager() {
-  base::trace_event::MemoryDumpManager::GetInstance()->UnregisterDumpProvider(
-      this);
-
   CommandBuffer* cmd_buf = helper_->command_buffer();
   for (auto& chunk : chunks_) {
     cmd_buf->DestroyTransferBuffer(chunk->shm_id());
   }
 }
 
 void* MappedMemoryManager::Alloc(unsigned int size,
                                  int32_t* shm_id,
                                  unsigned int* shm_offset) {
   DCHECK(shm_id);
@@ skipping 149 matching lines @@
 void ScopedMappedMemoryPtr::Reset(uint32_t new_size) {
   Release();
 
   if (new_size) {
     buffer_ = mapped_memory_manager_->Alloc(new_size, &shm_id_, &shm_offset_);
     size_ = buffer_ ? new_size : 0;
   }
 }
 
 }  // namespace gpu