[Android] Use resource throttle instead of HandleExternalProtocol.

chrome/browser/ui/android/external_protocol_dialog_android.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/logging.h"
 #include "chrome/browser/android/tab_android.h"
 #include "chrome/browser/external_protocol/external_protocol_handler.h"
 #include "chrome/browser/tab_contents/tab_util.h"
 #include "content/public/browser/web_contents.h"
 
 using content::WebContents;
 
 // static
 void ExternalProtocolHandler::RunExternalProtocolDialog(
     const GURL& url, int render_process_host_id, int routing_id) {
-  WebContents* web_contents = tab_util::GetWebContentsByID(
-      render_process_host_id, routing_id);
-  if (web_contents) {
-    TabAndroid* tab = TabAndroid::FromWebContents(web_contents);
-    if (tab)
-      return tab->RunExternalProtocolDialog(url);
-  }
+  // Chrome on Android uses a throttle-based mechansim to intercept links
+  // so that the user may choose to run an Android application instead of
+  // loading the link in the browser. This mechanism also handles external
+  // protocols, so we don't need to do anything here.

[mkosiba (inactive), 2012/10/25 09:02:12]

NOTREACHED?

[John Knottenbelt, 2012/10/25 16:17:27]

Done.

 }