libcef: Update due to underlying chromium changes.

- External plugin loading support is now provided by webkit/glue/plugins so the libcef/plugins directory has been eliminated, with related changes.
- Modify the CefPluginInfo structure to use a more friendly data organization format.
- Remove CefUnregisterPlugin() as it is no longer functional.
- WebViewDelegate::ShowContextMenu() now receives the menu type as a bit-masked flag, so adjust the API accordingly.
- WebViewDelegate::GetContainingView() now returns a gfx::NativeViewId instead of a gfx::NativeView.
- Modify BrowserRequestContext because GetUserAgent() is now a virtual method of URLRequestContext.
- The data buffer in RequestProxy is now a net::IOBuffer.
- Add webkit_glue::GetScreenInfo().

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@10 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

libcef/browser_webview_delegate.cc

@@ -17,6 +17,7 @@
 #include "base/file_util.h"
 #include "base/gfx/gdi_util.h"
 #include "base/gfx/point.h"
+#include "base/gfx/native_widget_types.h"
 #include "base/message_loop.h"
 #include "base/string_util.h"
 #include "base/trace_event.h"
@@ -469,9 +470,9 @@ void BrowserWebViewDelegate::SetUserStyleSheetLocation(const GURL& location) {
 
 // WebWidgetDelegate ---------------------------------------------------------
 
-gfx::NativeView BrowserWebViewDelegate::GetContainingView(WebWidget* webwidget) {
+gfx::NativeViewId BrowserWebViewDelegate::GetContainingView(WebWidget* webwidget) {
   if (WebWidgetHost* host = GetHostForWidget(webwidget))
-    return host->window_handle();
+    return gfx::IdFromNativeView(host->window_handle());
 
   return NULL;
 }