Add UMA for <webview> APIs: a. ClearData, b. when Permission request is allowed.

content/public/browser/browser_plugin_guest_delegate.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 CONTENT_PUBLIC_BROWSER_BROWSER_PLUGIN_GUEST_DELEGATE_H_
 #define CONTENT_PUBLIC_BROWSER_BROWSER_PLUGIN_GUEST_DELEGATE_H_
 
 #include "base/callback_forward.h"
 #include "base/process/kill.h"
 #include "base/strings/string16.h"
@@ skipping 48 matching lines @@
   // value between 0.0 (nothing loaded) and 1.0 (page loaded completely).
   virtual void LoadProgressed(double progress) {}
 
   // Notification that the guest is no longer hung.
   virtual void RendererResponsive() {}
 
   // Notification that the guest is hung.
   virtual void RendererUnresponsive() {}
 
   typedef base::Callback<void(bool /* allow */,
-                              const std::string& /* user_input */)>
+                              const std::string& /* user_input */,
+                              bool /* user_initiated */)>
       PermissionResponseCallback;
 
   // Request permission from the delegate to perform an action of the provided
   // |permission_type|. Details of the permission request are found in
   // |request_info|. A |callback| is provided to make the decision.
   // Returns whether the delegate has, or will handle the permission request.
   virtual bool RequestPermission(
       BrowserPluginPermissionType permission_type,
       const base::DictionaryValue& request_info,
       const PermissionResponseCallback& callback,
       bool allowed_by_default);
 
   // Requests resolution of a potentially relative URL.
   virtual GURL ResolveURL(const std::string& src);
 
   // Notifies that the content size of the guest has changed in autosize mode.
   virtual void SizeChanged(const gfx::Size& old_size,
                            const gfx::Size& new_size) {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_BROWSER_PLUGIN_GUEST_DELEGATE_H_