Move didReceiveTitle and related stuff to RenderFrame.

content/renderer/render_frame_impl.h

Index: content/renderer/render_frame_impl.h
diff --git a/content/renderer/render_frame_impl.h b/content/renderer/render_frame_impl.h
index d46c0cd262528f930cbbc1018088a084c18a8206..af42b7bc86e5d1619ec33a97ba657ead9de8506d 100644
--- a/content/renderer/render_frame_impl.h
+++ b/content/renderer/render_frame_impl.h
@@ -460,6 +460,22 @@ class CONTENT_EXPORT RenderFrameImpl
                const Referrer& referrer,
                blink::WebNavigationPolicy policy);
 
+  // Update current main frame's encoding and send it to browser window.
+  // Since we want to let users see the right encoding info from menu
+  // before finishing loading, we call the UpdateEncoding in
+  // a) function:DidCommitLoadForFrame. When this function is called,
+  // that means we have got first data. In here we try to get encoding
+  // of page if it has been specified in http header.
+  // b) function:DidReceiveTitle. When this function is called,
+  // that means we have got specified title. Because in most of webpages,
+  // title tags will follow meta tags. In here we try to get encoding of
+  // page if it has been specified in meta tag.
+  // c) function:DidFinishDocumentLoadForFrame. When this function is
+  // called, that means we have got whole html page. In here we should
+  // finally get right encoding of page.
+  void UpdateEncoding(blink::WebFrame* frame,
+                      const std::string& encoding_name);
+
   // Dispatches the current state of selection on the webpage to the browser if
   // it has changed.
   // TODO(varunjain): delete this method once we figure out how to keep