[DevTools] Console Message Storage moved from top local frame to frame host

Source/core/frame/FrameConsole.cpp

Index: Source/core/frame/FrameConsole.cpp
diff --git a/Source/core/frame/FrameConsole.cpp b/Source/core/frame/FrameConsole.cpp
index 5db4e7ec6934efb4ac6a8f42ae613aa708a62c8c..c3e2ab9b2634a0a2ef0477c04abf128c653a7d70 100644
--- a/Source/core/frame/FrameConsole.cpp
+++ b/Source/core/frame/FrameConsole.cpp
@@ -165,16 +165,8 @@ void FrameConsole::unmute()
 
 ConsoleMessageStorage* FrameConsole::messageStorage()
 {
-    LocalFrame* curFrame = m_frame;
-    // FIXME: Move the console's messageStorage off the main frame.
-    Frame* topFrame = curFrame->localFrameRoot();
-    ASSERT(topFrame->isLocalFrame());
-    LocalFrame* localTopFrame = toLocalFrame(topFrame);
-    if (localTopFrame != curFrame)
-        return localTopFrame->console().messageStorage();
-    if (!m_consoleMessageStorage)
-        m_consoleMessageStorage = ConsoleMessageStorage::createForFrame(m_frame);
-    return m_consoleMessageStorage.get();
+    ASSERT(m_frame->page());
+    return &m_frame->page()->frameHost().consoleMessageStorage();
 }
 
 void FrameConsole::clearMessages()