Fix an issue that external protocol in subframes are not handled on Android

chrome/browser/external_protocol/external_protocol_handler.h

 // Copyright (c) 2011 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.
 
 #ifndef CHROME_BROWSER_EXTERNAL_PROTOCOL_EXTERNAL_PROTOCOL_HANDLER_H_
 #define CHROME_BROWSER_EXTERNAL_PROTOCOL_EXTERNAL_PROTOCOL_HANDLER_H_
 
 #include <string>
 
 #include "chrome/browser/shell_integration.h"
+#include "ui/base/page_transition_types.h"
 
 class GURL;
 class PrefRegistrySimple;
 
 namespace base {
 class DictionaryValue;
 }
 
 class ExternalProtocolHandler {
  public:
   enum BlockState {
     DONT_BLOCK,
     BLOCK,
     UNKNOWN,
   };
 
   // Delegate to allow unit testing to provide different behavior.
   class Delegate {
    public:
     virtual ShellIntegration::DefaultProtocolClientWorker* CreateShellWorker(
         ShellIntegration::DefaultWebClientObserver* observer,
         const std::string& protocol) = 0;
     virtual BlockState GetBlockState(const std::string& scheme) = 0;
     virtual void BlockRequest() = 0;
-    virtual void RunExternalProtocolDialog(const GURL& url,
-                                           int render_process_host_id,
-                                           int routing_id) = 0;
+    virtual void RunExternalProtocolDialog(
+        const GURL& url,
+        int render_process_host_id,
+        int routing_id,
+        ui::PageTransition page_transition,
+        bool has_user_gesture) = 0;
     virtual void LaunchUrlWithoutSecurityCheck(const GURL& url) = 0;
     virtual void FinishedProcessingCheck() = 0;
     virtual ~Delegate() {}
   };
 
   // Returns whether we should block a given scheme.
   static BlockState GetBlockState(const std::string& scheme);
 
   // Sets whether we should block a given scheme.
   static void SetBlockState(const std::string& scheme, BlockState state);
 
   // Checks to see if the protocol is allowed, if it is whitelisted,
   // the application associated with the protocol is launched on the io thread,
   // if it is blacklisted, returns silently. Otherwise, an
   // ExternalProtocolDialog is created asking the user. If the user accepts,
   // LaunchUrlWithoutSecurityCheck is called on the io thread and the
   // application is launched.
   // Must run on the UI thread.
-  static void LaunchUrl(const GURL& url,
-                        int render_process_host_id,
-                        int tab_contents_id) {
-    LaunchUrlWithDelegate(url, render_process_host_id, tab_contents_id, NULL);
-  }
-
-  // Version of LaunchUrl allowing use of a delegate to facilitate unit
-  // testing.
+  // Allowing use of a delegate to facilitate unit testing.
   static void LaunchUrlWithDelegate(const GURL& url,
                                     int render_process_host_id,
                                     int tab_contents_id,
+                                    ui::PageTransition page_transition,
+                                    bool has_user_gesture,
                                     Delegate* delegate);
 
   // Creates and runs a External Protocol dialog box.
   // |url| - The url of the request.
   // |render_process_host_id| and |routing_id| are used by
   // tab_util::GetWebContentsByID to aquire the tab contents associated with
   // this dialog.
   // NOTE: There is a race between the Time of Check and the Time Of Use for
   //       the command line. Since the caller (web page) does not have access
   //       to change the command line by itself, we do not do anything special
   //       to protect against this scenario.
   // This is implemented separately on each platform.
   static void RunExternalProtocolDialog(const GURL& url,
                                         int render_process_host_id,
-                                        int routing_id);
+                                        int routing_id,
+                                        ui::PageTransition page_transition,
+                                        bool has_user_gesture);
 
   // Register the ExcludedSchemes preference.
   static void RegisterPrefs(PrefRegistrySimple* registry);
 
   // Starts a url using the external protocol handler with the help
   // of shellexecute. Should only be called if the protocol is whitelisted
   // (checked in LaunchUrl) or if the user explicitly allows it. (By selecting
   // "Launch Application" in an ExternalProtocolDialog.) It is assumed that the
   // url has already been escaped, which happens in LaunchUrl.
   // NOTE: You should Not call this function directly unless you are sure the
@@ skipping 11 matching lines @@
   // This is typically triggered by a user gesture, but is also called for
   // each extension API function. Note that each call to LaunchUrl resets
   // the state to false (not allowed).
   static void PermitLaunchUrl();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ExternalProtocolHandler);
 };
 
 #endif  // CHROME_BROWSER_EXTERNAL_PROTOCOL_EXTERNAL_PROTOCOL_HANDLER_H_