Fix CSS reference filters with negative transformed children.

cc/blink/web_layer_impl.h

 // 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.
 
 #ifndef CC_BLINK_WEB_LAYER_IMPL_H_
 #define CC_BLINK_WEB_LAYER_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
 #include <string>
 #include <utility>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "cc/blink/cc_blink_export.h"
 #include "cc/layers/layer_client.h"
 #include "third_party/WebKit/public/platform/WebColor.h"
 #include "third_party/WebKit/public/platform/WebDoublePoint.h"
 #include "third_party/WebKit/public/platform/WebFloatPoint.h"
+#include "third_party/WebKit/public/platform/WebFloatSize.h"
 #include "third_party/WebKit/public/platform/WebLayer.h"
 #include "third_party/WebKit/public/platform/WebPoint.h"
 #include "third_party/WebKit/public/platform/WebRect.h"
 #include "third_party/WebKit/public/platform/WebSize.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/platform/WebVector.h"
 #include "third_party/skia/include/core/SkMatrix44.h"
 
 namespace blink {
 struct WebFloatRect;
@@ skipping 57 matching lines @@
   SkMatrix44 transform() const override;
   void setDrawsContent(bool draws_content) override;
   bool drawsContent() const override;
   void setDoubleSided(bool double_sided) override;
   void setShouldFlattenTransform(bool flatten) override;
   void setRenderingContext(int context) override;
   void setUseParentBackfaceVisibility(bool visible) override;
   void setBackgroundColor(blink::WebColor color) override;
   blink::WebColor backgroundColor() const override;
   void setFilters(const cc::FilterOperations& filters) override;
+  void setFiltersOrigin(const blink::WebFloatPoint& origin) override;
   void setBackgroundFilters(const cc::FilterOperations& filters) override;
   bool hasActiveAnimationForTesting() override;
   void setScrollPositionDouble(blink::WebDoublePoint position) override;
   blink::WebDoublePoint scrollPositionDouble() const override;
   void setScrollClipLayer(blink::WebLayer* clip_layer) override;
   bool scrollable() const override;
   void setUserScrollable(bool horizontal, bool vertical) override;
   bool userScrollableHorizontal() const override;
   bool userScrollableVertical() const override;
   void addMainThreadScrollingReasons(
@@ skipping 31 matching lines @@
 
   bool contents_opaque_is_fixed_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(WebLayerImpl);
 };
 
 }  // namespace cc_blink
 
 #endif  // CC_BLINK_WEB_LAYER_IMPL_H_