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 1d355583f52eb8075b510d6e9086469cc0e6bbb8..aa35f4f728584c8b87a6115fcfefc29869a545af 100644
--- a/third_party/WebKit/Source/web/tests/ProgrammaticScrollTest.cpp
+++ b/third_party/WebKit/Source/web/tests/ProgrammaticScrollTest.cpp
@@ -52,7 +52,7 @@ 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);
@@ -84,7 +84,7 @@ 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);