Implement the getRequestDetails api in chrome side.

cc/output/output_surface.cc

 // Copyright (c) 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.
 
 #include "cc/output/output_surface.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
 #include "base/thread_task_runner_handle.h"
@@ skipping 73 matching lines @@
     }
   }
 
   void setDiscardableMemoryBacking(
       const char* dump_name,
       const SkDiscardableMemory& discardable_memory_object) override {
     // We don't use this class for dumping discardable memory.
     NOTREACHED();
   }
 
+  LevelOfDetail getRequestedDetails() const override {
+    // TODO(ssid): Use MemoryDumpArgs to create light dumps when requested
+    // (crbug.com/499731).
+    return kObjectsBreakdowns_LevelOfDetail;
+  }
+
  private:
   // Helper to create allocator dumps.
   base::trace_event::MemoryAllocatorDump* GetOrCreateAllocatorDump(
       const char* dump_name) {
     auto dump = pmd_->GetAllocatorDump(dump_name);
     if (!dump)
       dump = pmd_->CreateAllocatorDump(dump_name);
     return dump;
   }
 
@@ skipping 253 matching lines @@
         ContextProvider::LostContextCallback());
     context_provider_->SetMemoryPolicyChangedCallback(
         ContextProvider::MemoryPolicyChangedCallback());
   }
   context_provider_ = nullptr;
   client_ = nullptr;
   weak_ptr_factory_.InvalidateWeakPtrs();
 }
 
 }  // namespace cc