Add a WebRect version of invalidateRect to WebLayerImplFixedBounds

R=enne@chromium.org, enne BUG=342848 Review URL: https://codereview.chromium.org/655863002 Cr-Commit-Position: refs/heads/master@{#299511}
hylschwy · Oct 14, 2014 · 9787207 · 9787207
1 parent b65a3f5
commit 9787207
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Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/cc/blink/web_layer_impl_fixed_bounds.cc b/cc/blink/web_layer_impl_fixed_bounds.cc
@@ -29,6 +29,12 @@ void WebLayerImplFixedBounds::invalidateRect(const blink::WebFloatRect& rect) {
   invalidate();
 }
 
+void WebLayerImplFixedBounds::invalidateRect(const blink::WebRect& rect) {
+  // Partial invalidations seldom occur for such layers.
+  // Simply invalidate the whole layer to avoid transformation of coordinates.
+  invalidate();
+}
+
 void WebLayerImplFixedBounds::setTransformOrigin(
     const blink::WebFloatPoint3D& transform_origin) {
   if (transform_origin != this->transformOrigin()) {

diff --git a/cc/blink/web_layer_impl_fixed_bounds.h b/cc/blink/web_layer_impl_fixed_bounds.h
@@ -23,7 +23,8 @@ class WebLayerImplFixedBounds : public WebLayerImpl {
   virtual ~WebLayerImplFixedBounds();
 
   // WebLayerImpl overrides.
-  virtual void invalidateRect(const blink::WebFloatRect& rect);
+  virtual void invalidateRect(const blink::WebFloatRect& rect) override;
+  virtual void invalidateRect(const blink::WebRect& rect) override;
   virtual void setTransformOrigin(
       const blink::WebFloatPoint3D& transform_origin);
   virtual void setBounds(const blink::WebSize& bounds);