Chromium compositor change implementing page-scale driven pinch-zoom.

cc/LayerChromium.cpp

 // Copyright 2010 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 "config.h"
 
 #if USE(ACCELERATED_COMPOSITING)
 #include "LayerChromium.h"
 
 #include "CCActiveAnimation.h"
@@ skipping 415 matching lines @@
 }
 
 void LayerChromium::setForceRenderSurface(bool force)
 {
     if (m_forceRenderSurface == force)
         return;
     m_forceRenderSurface = force;
     setNeedsCommit();
 }
 
+void LayerChromium::setImplTransform(const WebTransformationMatrix& transform)
+{
+    if (m_implTransform == transform)
+        return;
+
+    m_implTransform = transform;
+    setNeedsCommit();
+}
+
 void LayerChromium::setDoubleSided(bool doubleSided)
 {
     if (m_doubleSided == doubleSided)
         return;
     m_doubleSided = doubleSided;
     setNeedsCommit();
 }
 
 void LayerChromium::setIsDrawable(bool isDrawable)
 {
@@ skipping 275 matching lines @@
     return Region();
 }
 
 void sortLayers(Vector<RefPtr<LayerChromium> >::iterator, Vector<RefPtr<LayerChromium> >::iterator, void*)
 {
     // Currently we don't use z-order to decide what to paint, so there's no need to actually sort LayerChromiums.
 }
 
 }
 #endif // USE(ACCELERATED_COMPOSITING)