cc: Remove the unused function appendCompositingItem with 3 parameters

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"
 #include "cc/resources/clip_display_item.h"
 #include "cc/resources/clip_path_display_item.h"
 #include "cc/resources/compositing_display_item.h"
 #include "cc/resources/drawing_display_item.h"
 #include "cc/resources/filter_display_item.h"
 #include "cc/resources/float_clip_display_item.h"
 #include "cc/resources/transform_display_item.h"
 #include "skia/ext/refptr.h"
 #include "third_party/WebKit/public/platform/WebFloatRect.h"
 #include "third_party/WebKit/public/platform/WebRect.h"
 #include "third_party/skia/include/core/SkColorFilter.h"
-#include "third_party/skia/include/core/SkImageFilter.h"
 #include "third_party/skia/include/core/SkPicture.h"
 #include "third_party/skia/include/utils/SkMatrix44.h"
 #include "ui/gfx/transform.h"
 
 namespace cc_blink {
 
 WebDisplayItemListImpl::WebDisplayItemListImpl()
     : display_item_list_(cc::DisplayItemList::Create()) {
 }
 
@@ skipping 44 matching lines @@
 void WebDisplayItemListImpl::appendTransformItem(const SkMatrix44& matrix) {
   gfx::Transform transform;
   transform.matrix() = matrix;
   display_item_list_->AppendItem(cc::TransformDisplayItem::Create(transform));
 }
 
 void WebDisplayItemListImpl::appendEndTransformItem() {
   display_item_list_->AppendItem(cc::EndTransformDisplayItem::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, bounds, skia::SharePtr(color_filter)));
 }
 
 void WebDisplayItemListImpl::appendEndCompositingItem() {
@@ skipping 22 matching lines @@
 }
 
 void WebDisplayItemListImpl::appendEndScrollItem() {
   appendEndTransformItem();
 }
 
 WebDisplayItemListImpl::~WebDisplayItemListImpl() {
 }
 
 }  // namespace cc_blink