Permissions: Move common logic from DecidePermission to RequestPermission

chrome/browser/media/protected_media_identifier_permission_context.h

Index: chrome/browser/media/protected_media_identifier_permission_context.h
diff --git a/chrome/browser/media/protected_media_identifier_permission_context.h b/chrome/browser/media/protected_media_identifier_permission_context.h
index 594d2f85f42ae9c8423a44c4b700fc2bd1374847..9513f0fb4e7899037ae81e4723882e74f111cfae 100644
--- a/chrome/browser/media/protected_media_identifier_permission_context.h
+++ b/chrome/browser/media/protected_media_identifier_permission_context.h
@@ -38,13 +38,14 @@ class ProtectedMediaIdentifierPermissionContext
  public:
   explicit ProtectedMediaIdentifierPermissionContext(Profile* profile);
 
-  // In addition to the base class flow checks that it is only code from
-  // valid iframes. It also adds special logic when called through an extension.
+  // PermissionContextBase implementation.
+#if defined(OS_CHROMEOS)
   void RequestPermission(content::WebContents* web_contents,
                          const PermissionRequestID& id,
                          const GURL& requesting_origin,
                          bool user_gesture,
                          const BrowserPermissionCallback& callback) override;
+#endif  // defined(OS_CHROMEOS)
   ContentSetting GetPermissionStatus(
       const GURL& requesting_origin,
       const GURL& embedding_origin) const override;