GLImage::OnMemoryDump Stubs + Some Impls

ui/gl/gl_image_memory.cc

 // 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.
 
 #include "ui/gl/gl_image_memory.h"
 
 #include "base/logging.h"
 #include "base/trace_event/trace_event.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/scoped_binders.h"
@@ skipping 425 matching lines @@
                  TextureFormat(format_),
                  size_.width(),
                  size_.height(),
                  0,  // border
                  DataFormat(format_),
                  DataType(format_),
                  memory_);
   }
 }
 
+void GLImageMemory::OnMemoryDump(base::trace_event::ProcessMemoryDump* pmd,
+                                 uint64_t process_tracing_id,
+                                 const std::string& dump_name) {
+  // Log size 0 if |ref_counted_memory_| has been released.
+  size_t size_in_bytes = memory_ ? SizeInBytes(size_, format_) : 0;
+
+  base::trace_event::MemoryAllocatorDump* dump =
+      pmd->CreateAllocatorDump(dump_name);
+  dump->AddScalar(base::trace_event::MemoryAllocatorDump::kNameSize,
+                  base::trace_event::MemoryAllocatorDump::kUnitsBytes,
+                  static_cast<uint64_t>(size_in_bytes));
+}
+
 }  // namespace gfx