Blink class layout optimization to reduce memory usage

third_party/WebKit/Source/platform/graphics/BitmapImage.cpp

 /*
  * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2004, 2005, 2006, 2008 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 55 matching lines @@
   result->frames_[0].orientation_ = orientation;
   if (orientation.UsesWidthAsHeight())
     result->size_respecting_orientation_ = result->size_.TransposedSize();
   return result.Release();
 }
 
 BitmapImage::BitmapImage(ImageObserver* observer)
     : Image(observer),
       current_frame_(0),
       cached_frame_index_(0),
-      repetition_count_(kCAnimationNone),
-      repetition_count_status_(kUnknown),
-      repetitions_complete_(0),
-      desired_frame_start_time_(0),
-      frame_count_(0),
       animation_policy_(kImageAnimationPolicyAllowed),
       animation_finished_(false),
       all_data_received_(false),
       have_size_(false),
       size_available_(false),
-      have_frame_count_(false) {}
+      have_frame_count_(false),
+      repetition_count_status_(kUnknown),
+      repetition_count_(kCAnimationNone),
+      repetitions_complete_(0),
+      desired_frame_start_time_(0),
+      frame_count_(0) {}
 
 BitmapImage::BitmapImage(const SkBitmap& bitmap, ImageObserver* observer)
     : Image(observer),
       size_(bitmap.width(), bitmap.height()),
       current_frame_(0),
       cached_frame_(SkImage::MakeFromBitmap(bitmap)),
       cached_frame_index_(0),
-      repetition_count_(kCAnimationNone),
-      repetition_count_status_(kUnknown),
-      repetitions_complete_(0),
-      frame_count_(1),
       animation_policy_(kImageAnimationPolicyAllowed),
       animation_finished_(true),
       all_data_received_(true),
       have_size_(true),
       size_available_(true),
-      have_frame_count_(true) {
+      have_frame_count_(true),
+      repetition_count_status_(kUnknown),
+      repetition_count_(kCAnimationNone),
+      repetitions_complete_(0),
+      frame_count_(1) {
   // Since we don't have a decoder, we can't figure out the image orientation.
   // Set m_sizeRespectingOrientation to be the same as m_size so it's not 0x0.
   size_respecting_orientation_ = size_;
 
   frames_.Grow(1);
   frames_[0].has_alpha_ = !bitmap.isOpaque();
   frames_[0].have_metadata_ = true;
 }
 
 BitmapImage::~BitmapImage() {
@@ skipping 534 matching lines @@
     GetImageObserver()->AnimationAdvanced(this);
 
   return true;
 }
 
 void BitmapImage::NotifyObserversOfAnimationAdvance(TimerBase*) {
   GetImageObserver()->AnimationAdvanced(this);
 }
 
 }  // namespace blink