Move viewport actions into an ApplyScroll callback.

third_party/WebKit/Source/core/frame/LocalFrame.h

Index: third_party/WebKit/Source/core/frame/LocalFrame.h
diff --git a/third_party/WebKit/Source/core/frame/LocalFrame.h b/third_party/WebKit/Source/core/frame/LocalFrame.h
index 447c6d8f217efe3cad25e36d6988ac2e4f44ec6e..6935bcbe5e98784cff6a1f33b52ca61784d66c2f 100644
--- a/third_party/WebKit/Source/core/frame/LocalFrame.h
+++ b/third_party/WebKit/Source/core/frame/LocalFrame.h
@@ -170,10 +170,6 @@ public:
     bool shouldReuseDefaultView(const KURL&) const;
     void removeSpellingMarkersUnderWords(const Vector<String>& words);
 
-    // FIXME: once scroll customization is enabled everywhere
-    // (crbug.com/416862), this should take a ScrollState object.
-    ScrollResult applyScrollDelta(ScrollGranularity, const FloatSize& delta, bool isScrollBegin);
-
     // DisplayItemClient methods
     String debugName() const final { return "LocalFrame"; }
     // TODO(chrishtr): fix this.
@@ -194,8 +190,6 @@ private:
 
     LocalFrame(FrameLoaderClient*, FrameHost*, FrameOwner*);
 
-    bool shouldScrollTopControls(ScrollGranularity, const FloatSize& delta) const;
-
     // Internal Frame helper overrides:
     WindowProxyManager* getWindowProxyManager() const override;