Move Get/SetScrollOffset methods from WebFrame to WebLocalFrame.

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

Index: third_party/WebKit/Source/web/tests/BrowserControlsTest.cpp
diff --git a/third_party/WebKit/Source/web/tests/BrowserControlsTest.cpp b/third_party/WebKit/Source/web/tests/BrowserControlsTest.cpp
index 009e19355c50c9b21953aca317a0f3a720cb5430..e54a7ddb1dfd726b724a8f67db0ff8f02d35d243 100644
--- a/third_party/WebKit/Source/web/tests/BrowserControlsTest.cpp
+++ b/third_party/WebKit/Source/web/tests/BrowserControlsTest.cpp
@@ -582,21 +582,21 @@ TEST_F(BrowserControlsTest, MAYBE(ScrollUpPastLimitDoesNotHide)) {
   web_view->SetPageScaleFactor(2.0);
 
   // Fully scroll frameview but visualviewport remains scrollable
-  web_view->MainFrame()->SetScrollOffset(WebSize(0, 10000));
+  web_view->MainFrameImpl()->SetScrollOffset(WebSize(0, 10000));
   GetVisualViewport().SetLocation(FloatPoint(0, 0));
   VerticalScroll(-10.f);
   EXPECT_FLOAT_EQ(40, web_view->GetBrowserControls().ContentOffset());
 
   web_view->GetBrowserControls().SetShownRatio(1);
   // Fully scroll visual veiwport but frameview remains scrollable
-  web_view->MainFrame()->SetScrollOffset(WebSize(0, 0));
+  web_view->MainFrameImpl()->SetScrollOffset(WebSize(0, 0));
   GetVisualViewport().SetLocation(FloatPoint(0, 10000));
   VerticalScroll(-20.f);
   EXPECT_FLOAT_EQ(30, web_view->GetBrowserControls().ContentOffset());
 
   web_view->GetBrowserControls().SetShownRatio(1);
   // Fully scroll both frameview and visual viewport
-  web_view->MainFrame()->SetScrollOffset(WebSize(0, 10000));
+  web_view->MainFrameImpl()->SetScrollOffset(WebSize(0, 10000));
   GetVisualViewport().SetLocation(FloatPoint(0, 10000));
   VerticalScroll(-30.f);
   // Browser controls should not move because neither frameview nor visual