Change Page::m_mainFrame to be a Frame.

Source/web/WebDevToolsAgentImpl.cpp

Index: Source/web/WebDevToolsAgentImpl.cpp
diff --git a/Source/web/WebDevToolsAgentImpl.cpp b/Source/web/WebDevToolsAgentImpl.cpp
index 758f632575f848ab9878b63715a24ec3f801db6a..0eb0a92f10ff4febc6ac2ca68deb87017ce4fc9d 100644
--- a/Source/web/WebDevToolsAgentImpl.cpp
+++ b/Source/web/WebDevToolsAgentImpl.cpp
@@ -307,7 +307,7 @@ bool WebDevToolsAgentImpl::handleInputEvent(WebCore::Page* page, const WebInputE
     // compositor-side pinch handling is not enabled. See http://crbug.com/138003.
     bool isPinch = inputEvent.type == WebInputEvent::GesturePinchBegin || inputEvent.type == WebInputEvent::GesturePinchUpdate || inputEvent.type == WebInputEvent::GesturePinchEnd;
     if (isPinch && m_touchEventEmulationEnabled && m_emulateViewportEnabled) {
-        FrameView* frameView = page->mainFrame()->view();
+        FrameView* frameView = page->deprecatedLocalMainFrame()->view();
         PlatformGestureEventBuilder gestureEvent(frameView, *static_cast<const WebGestureEvent*>(&inputEvent));
         float pageScaleFactor = page->pageScaleFactor();
         if (gestureEvent.type() == PlatformEvent::GesturePinchBegin) {
@@ -335,21 +335,21 @@ bool WebDevToolsAgentImpl::handleInputEvent(WebCore::Page* page, const WebInputE
 
     if (WebInputEvent::isGestureEventType(inputEvent.type) && inputEvent.type == WebInputEvent::GestureTap) {
         // Only let GestureTab in (we only need it and we know PlatformGestureEventBuilder supports it).
-        PlatformGestureEvent gestureEvent = PlatformGestureEventBuilder(page->mainFrame()->view(), *static_cast<const WebGestureEvent*>(&inputEvent));
-        return ic->handleGestureEvent(page->mainFrame(), gestureEvent);
+        PlatformGestureEvent gestureEvent = PlatformGestureEventBuilder(page->deprecatedLocalMainFrame()->view(), *static_cast<const WebGestureEvent*>(&inputEvent));
+        return ic->handleGestureEvent(toLocalFrame(page->mainFrame()), gestureEvent);
     }
     if (WebInputEvent::isMouseEventType(inputEvent.type) && inputEvent.type != WebInputEvent::MouseEnter) {
         // PlatformMouseEventBuilder does not work with MouseEnter type, so we filter it out manually.
-        PlatformMouseEvent mouseEvent = PlatformMouseEventBuilder(page->mainFrame()->view(), *static_cast<const WebMouseEvent*>(&inputEvent));
-        return ic->handleMouseEvent(page->mainFrame(), mouseEvent);
+        PlatformMouseEvent mouseEvent = PlatformMouseEventBuilder(page->deprecatedLocalMainFrame()->view(), *static_cast<const WebMouseEvent*>(&inputEvent));
+        return ic->handleMouseEvent(toLocalFrame(page->mainFrame()), mouseEvent);
     }
     if (WebInputEvent::isTouchEventType(inputEvent.type)) {
-        PlatformTouchEvent touchEvent = PlatformTouchEventBuilder(page->mainFrame()->view(), *static_cast<const WebTouchEvent*>(&inputEvent));
-        return ic->handleTouchEvent(page->mainFrame(), touchEvent);
+        PlatformTouchEvent touchEvent = PlatformTouchEventBuilder(page->deprecatedLocalMainFrame()->view(), *static_cast<const WebTouchEvent*>(&inputEvent));
+        return ic->handleTouchEvent(toLocalFrame(page->mainFrame()), touchEvent);
     }
     if (WebInputEvent::isKeyboardEventType(inputEvent.type)) {
         PlatformKeyboardEvent keyboardEvent = PlatformKeyboardEventBuilder(*static_cast<const WebKeyboardEvent*>(&inputEvent));
-        return ic->handleKeyboardEvent(page->mainFrame(), keyboardEvent);
+        return ic->handleKeyboardEvent(page->deprecatedLocalMainFrame(), keyboardEvent);
     }
     return false;
 }
@@ -617,7 +617,7 @@ InspectorController* WebDevToolsAgentImpl::inspectorController()
 LocalFrame* WebDevToolsAgentImpl::mainFrame()
 {
     if (Page* page = m_webViewImpl->page())
-        return page->mainFrame();
+        return page->deprecatedLocalMainFrame();
     return 0;
 }