Add layer bounds to compositing_dislay_item

cc/blink/web_display_item_list_impl.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_display_item_list_impl.h"
 
 #include <vector>
 
 #include "cc/blink/web_blend_mode.h"
 #include "cc/blink/web_filter_operations_impl.h"
@@ skipping 80 matching lines @@
     blink::WebBlendMode blend_mode) {
   display_item_list_->AppendItem(cc::TransparencyDisplayItem::Create(
       opacity, BlendModeToSkia(blend_mode)));
 }
 
 // TODO(pdr): Remove once there are no more callers.
 void WebDisplayItemListImpl::appendEndTransparencyItem() {
   display_item_list_->AppendItem(cc::EndTransparencyDisplayItem::Create());
 }
 
+// TODO(pdr): Remove this once the blink-side callers have been removed.
+void WebDisplayItemListImpl::appendCompositingItem(
+    float opacity,
+    SkXfermode::Mode xfermode,
+    SkColorFilter* color_filter) {
+  appendCompositingItem(opacity, xfermode, nullptr, color_filter);
+}
+
 void WebDisplayItemListImpl::appendCompositingItem(
     float opacity,
     SkXfermode::Mode xfermode,
+    SkRect* bounds,
     SkColorFilter* color_filter) {
   display_item_list_->AppendItem(cc::CompositingDisplayItem::Create(
-      opacity, xfermode, skia::SharePtr(color_filter)));
+      opacity, xfermode, bounds, skia::SharePtr(color_filter)));
 }
 
 void WebDisplayItemListImpl::appendEndCompositingItem() {
   display_item_list_->AppendItem(cc::EndCompositingDisplayItem::Create());
 }
 
 void WebDisplayItemListImpl::appendFilterItem(
     const blink::WebFilterOperations& filters,
     const blink::WebFloatRect& bounds) {
   const WebFilterOperationsImpl& filters_impl =
@@ skipping 15 matching lines @@
 }
 
 void WebDisplayItemListImpl::appendEndScrollItem() {
   appendEndTransformItem();
 }
 
 WebDisplayItemListImpl::~WebDisplayItemListImpl() {
 }
 
 }  // namespace cc_blink