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_impl.h

@@ -192,6 +192,9 @@ public:
   int UIT_SwitchFrameToPrintMediaType(WebFrame* frame);
   int UIT_GetPagesCount(WebFrame* frame);
 
+  void UIT_SetUniqueID(int id) { unique_id_ = id; }
+  int UIT_GetUniqueID() { return unique_id_; }
+
 #if defined(OS_WIN)
   void UIT_DisableWebView(bool val);
 	bool UIT_IsWebViewDisabled() { return (webview_bitmap_ != NULL); }
@@ -228,6 +231,9 @@ protected:
   typedef std::map<std::wstring, CefRefPtr<CefJSContainer> > JSContainerMap;
   JSContainerMap jscontainers_;
 
+  // Unique browser ID assigned by the context.
+  int unique_id_;
+
 #if defined(OS_WIN)
   HBITMAP webview_bitmap_;
 	SIZE webview_bitmap_size_;