media: Invoke PlatformVerificationDialog from ProtectedMediaIdentifierPermissionContext.

chrome/browser/chromeos/attestation/platform_verification_flow.h

 // Copyright 2013 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_CHROMEOS_ATTESTATION_PLATFORM_VERIFICATION_FLOW_H_
 #define CHROME_BROWSER_CHROMEOS_ATTESTATION_PLATFORM_VERIFICATION_FLOW_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 74 matching lines @@
   class Delegate {
    public:
     virtual ~Delegate() {}
 
     // This callback will be called when a user has given a |response| to a
     // consent request of the specified |type|.
     typedef base::Callback<void(ConsentResponse response)> ConsentCallback;
 
     // Invokes consent UI within the context of |web_contents| and calls
     // |callback| when the user responds.
-    // Precondition: The last committed URL for |web_contents| has a valid
-    //               origin.
+    // |requesting_origin| or the extension/app name will be shown on the prompt
+    // if the request comes from a web page or an extension/app, respectively.
     virtual void ShowConsentPrompt(content::WebContents* web_contents,
+                                   const GURL& requesting_origin,
                                    const ConsentCallback& callback) = 0;
 
     // Gets prefs associated with the given |web_contents|.  If no prefs are
     // associated with |web_contents| then NULL is returned.
     virtual PrefService* GetPrefs(content::WebContents* web_contents) = 0;
 
     // Gets the URL associated with the given |web_contents|.
     virtual const GURL& GetURL(content::WebContents* web_contents) = 0;
 
     // Gets the user associated with the given |web_contents|.  NULL may be
@@ skipping 171 matching lines @@
   scoped_ptr<Delegate> default_delegate_;
   base::TimeDelta timeout_delay_;
 
   DISALLOW_COPY_AND_ASSIGN(PlatformVerificationFlow);
 };
 
 }  // namespace attestation
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_ATTESTATION_PLATFORM_VERIFICATION_FLOW_H_