Add a WebRect version of invalidateRect to WebLayerImplFixedBounds

cc/blink/web_layer_impl_fixed_bounds.cc

 // Copyright 2014 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 "cc/blink/web_layer_impl_fixed_bounds.h"
 
 #include "cc/layers/layer.h"
 #include "third_party/WebKit/public/platform/WebFloatPoint.h"
 #include "third_party/WebKit/public/platform/WebSize.h"
 #include "third_party/skia/include/utils/SkMatrix44.h"
@@ skipping 11 matching lines @@
 
 WebLayerImplFixedBounds::~WebLayerImplFixedBounds() {
 }
 
 void WebLayerImplFixedBounds::invalidateRect(const blink::WebFloatRect& rect) {
   // Partial invalidations seldom occur for such layers.
   // Simply invalidate the whole layer to avoid transformation of coordinates.
   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()) {
     layer_->SetTransformOrigin(transform_origin);
     UpdateLayerBoundsAndTransform();
   }
 }
 
 void WebLayerImplFixedBounds::setBounds(const blink::WebSize& bounds) {
   if (original_bounds_ != gfx::Size(bounds)) {
@@ skipping 49 matching lines @@
   gfx::Transform transform_with_bounds_scale(original_transform_);
   float bounds_scale_x =
       static_cast<float>(original_bounds_.width()) / fixed_bounds_.width();
   float bounds_scale_y =
       static_cast<float>(original_bounds_.height()) / fixed_bounds_.height();
   transform_with_bounds_scale.Scale(bounds_scale_x, bounds_scale_y);
   layer_->SetTransform(transform_with_bounds_scale);
 }
 
 }  // namespace cc_blink