Remove unused BitmapImage::m_hasUniformFrameSize

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 49 matching lines @@
     , m_repetitionCount(cAnimationNone)
     , m_repetitionCountStatus(Unknown)
     , m_repetitionsComplete(0)
     , m_desiredFrameStartTime(0)
     , m_frameCount(0)
     , m_animationPolicy(ImageAnimationPolicyAllowed)
     , m_animationFinished(false)
     , m_allDataReceived(false)
     , m_haveSize(false)
     , m_sizeAvailable(false)
-    , m_hasUniformFrameSize(true)
     , m_haveFrameCount(false)
 {
 }
 
 BitmapImage::BitmapImage(const SkBitmap& bitmap, ImageObserver* observer)
     : Image(observer)
     , m_size(bitmap.width(), bitmap.height())
     , m_currentFrame(0)
     , m_repetitionCount(cAnimationNone)
     , m_repetitionCountStatus(Unknown)
@@ skipping 79 matching lines @@
     m_frames[index].m_frame = m_source.createFrameAtIndex(index);
 
     m_frames[index].m_orientation = m_source.orientationAtIndex(index);
     m_frames[index].m_haveMetadata = true;
     m_frames[index].m_isComplete = m_source.frameIsCompleteAtIndex(index);
     if (repetitionCount(false) != cAnimationNone)
         m_frames[index].m_duration = m_source.frameDurationAtIndex(index);
     m_frames[index].m_hasAlpha = m_source.frameHasAlphaAtIndex(index);
     m_frames[index].m_frameBytes = m_source.frameBytesAtIndex(index);
 
-    const IntSize frameSize(index ? m_source.frameSizeAtIndex(index) : m_size);
-    if (frameSize != m_size)
-        m_hasUniformFrameSize = false;
-
     notifyMemoryChanged();
 }
 
 void BitmapImage::updateSize() const
 {
     if (!m_sizeAvailable || m_haveSize)
         return;
 
     m_size = m_source.size();
     m_sizeRespectingOrientation = m_source.size(RespectImageOrientation);
@@ skipping 45 matching lines @@
         if (m_frames[i].m_haveMetadata && !m_frames[i].m_isComplete)
             m_frames[i].clear(true);
     }
 
     // Feed all the data we've seen so far to the image decoder.
     m_allDataReceived = allDataReceived;
     ASSERT(data());
     m_source.setData(*data(), allDataReceived);
 
     m_haveFrameCount = false;
-    m_hasUniformFrameSize = true;
     return isSizeAvailable();
 }
 
 bool BitmapImage::hasColorProfile() const
 {
     return m_source.hasColorProfile();
 }
 
 String BitmapImage::filenameExtension() const
 {
@@ skipping 378 matching lines @@
     destroyDecodedDataIfNecessary();
 
     // We need to draw this frame if we advanced to it while not skipping, or if
     // while trying to skip frames we hit the last frame and thus had to stop.
     if (skippingFrames != advancedAnimation)
         getImageObserver()->animationAdvanced(this);
     return advancedAnimation;
 }
 
 } // namespace blink