libcef: Update due to underlying chromium changes.

- Add unique IDs for browser instances because ResourceLoaderBridge::Create() now receives a routing ID instead of a WebFrame pointer.  The unique ID is assigned to a browser in CefContext::AddBrowser() and attached to a request in  BrowserWebViewDelegate::WillSendRequest().
- Add upload progress notification support to resource loader bridge.
- WebFrame::ExecuteJavaScript() changed to WebFrame::ExecuteScript().
- More functions moved into webkit_glue::WebKitClientImpl.

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@22 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

libcef/browser_webview_delegate.cc

@@ -166,6 +166,9 @@ void BrowserWebViewDelegate::AssignIdentifierToRequest(WebView* webview,
 void BrowserWebViewDelegate::WillSendRequest(WebView* webview,
                                           uint32 identifier,
                                           WebRequest* request) {
+  // The requestor ID is used by the resource loader bridge to locate the
+  // browser that originated the request.
+  request->SetRequestorID(browser_->UIT_GetUniqueID());
 }
 
 void BrowserWebViewDelegate::DidFinishLoading(WebView* webview,