cc: Create a Region class that wraps SkRegion, to replace use of WebCore::Region.

webkit/compositor_bindings/web_layer_impl.cc

 // Copyright 2011 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"
 #include "web_layer_impl.h"
 
-#include "Region.h"
 #include "SkMatrix44.h"
 #ifdef LOG
 #undef LOG
 #endif
 #include "base/string_util.h"
 #include "cc/active_animation.h"
 #include "cc/layer.h"
+#include "cc/region.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebFloatPoint.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebFloatRect.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebSize.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebTransformationMatrix.h"
 #include "web_animation_impl.h"
 
 using cc::ActiveAnimation;
 using cc::Layer;
 
 namespace WebKit {
@@ skipping 370 matching lines @@
 void WebLayerImpl::setNonFastScrollableRegion(const WebVector<WebRect>& rects)
 {
     cc::Region region;
     for (size_t i = 0; i < rects.size(); ++i)
         region.Union(rects[i]);
     m_layer->setNonFastScrollableRegion(region);
 }
 
 WebVector<WebRect> WebLayerImpl::nonFastScrollableRegion() const
 {
-    cc::Region::Iterator regionRects(m_layer->nonFastScrollableRegion());
-    WebVector<WebRect> result(regionRects.size());
-    for (size_t i = 0; regionRects.has_rect(); regionRects.next(), ++i)
+    size_t numRects = 0;
+    for (cc::Region::Iterator regionRects(m_layer->nonFastScrollableRegion()); regionRects.has_rect(); regionRects.next())
+        ++numRects;
+
+    WebVector<WebRect> result(numRects);
+    size_t i = 0;
+    for (cc::Region::Iterator regionRects(m_layer->nonFastScrollableRegion()); regionRects.has_rect(); regionRects.next()) {
         result[i] = regionRects.rect();
+        ++i;
+    }
     return result;
 }
 
 void WebLayerImpl::setIsContainerForFixedPositionLayers(bool enable)
 {
     m_layer->setIsContainerForFixedPositionLayers(enable);
 }
 
 bool WebLayerImpl::isContainerForFixedPositionLayers() const
 {
@@ skipping 14 matching lines @@
 {
     m_layer->setLayerScrollClient(scrollClient);
 }
 
 Layer* WebLayerImpl::layer() const
 {
     return m_layer.get();
 }
 
 } // namespace WebKit