Move Get/SetScrollOffset methods from WebFrame to WebLocalFrame.

third_party/WebKit/Source/web/tests/ProgrammaticScrollTest.cpp

Index: third_party/WebKit/Source/web/tests/ProgrammaticScrollTest.cpp
diff --git a/third_party/WebKit/Source/web/tests/ProgrammaticScrollTest.cpp b/third_party/WebKit/Source/web/tests/ProgrammaticScrollTest.cpp
index bef142c0739aa407ac4dbfcd780c96b8c599be5c..65c296da4a45a5f28e619caa6e7cc5f7083cb606 100644
--- a/third_party/WebKit/Source/web/tests/ProgrammaticScrollTest.cpp
+++ b/third_party/WebKit/Source/web/tests/ProgrammaticScrollTest.cpp
@@ -53,7 +53,7 @@ TEST_F(ProgrammaticScrollTest, RestoreScrollPositionAndViewStateWithScale) {
   loader.GetDocumentLoader()->SetLoadType(kFrameLoadTypeBackForward);
 
   web_view->SetPageScaleFactor(3.0f);
-  web_view->MainFrame()->SetScrollOffset(WebSize(0, 500));
+  web_view->MainFrameImpl()->SetScrollOffset(WebSize(0, 500));
   loader.GetDocumentLoader()->GetInitialScrollState().was_scrolled_by_user =
       false;
   loader.GetDocumentLoader()->GetHistoryItem()->SetPageScaleFactor(2);
@@ -85,7 +85,7 @@ TEST_F(ProgrammaticScrollTest, RestoreScrollPositionAndViewStateWithoutScale) {
   loader.GetDocumentLoader()->SetLoadType(kFrameLoadTypeBackForward);
 
   web_view->SetPageScaleFactor(3.0f);
-  web_view->MainFrame()->SetScrollOffset(WebSize(0, 500));
+  web_view->MainFrameImpl()->SetScrollOffset(WebSize(0, 500));
   loader.GetDocumentLoader()->GetInitialScrollState().was_scrolled_by_user =
       false;
   loader.GetDocumentLoader()->GetHistoryItem()->SetPageScaleFactor(0);