[tracing] Add memory usage of Android UI resources to memory-infra

ui/android/resources/crushed_sprite_resource.cc

 // Copyright 2015 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/android/resources/crushed_sprite_resource.h"
 
 #include "cc/resources/scoped_ui_resource.h"
 #include "cc/trees/layer_tree_host.h"
 #include "ui/gfx/android/java_bitmap.h"
 
@@ skipping 42 matching lines @@
 }
 
 gfx::Size CrushedSpriteResource::GetScaledSpriteSize() {
   return scaled_sprite_size_;
 }
 
 int CrushedSpriteResource::GetFrameCount() {
   return src_dst_rects_.size();
 }
 
+size_t CrushedSpriteResource::BytesUsed() const {
+  return bitmap_.getSize() + last_frame_resource_

[Dmitry Skiba, 2016/10/13 03:47:03]

I would just remove last_frame_resource_, it's not set anywhere.
Also, this formatting is misleading - it reads like (bitmap.getSize() +
last_frame_resource_) ? ... : 0;

[ssid, 2016/10/13 17:45:16]

Done.

+             ? last_frame_resource_->BytesUsed()
+             : 0;
+}
+
 }  // namespace ui