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

chrome/browser/guestview/webview/webview_guest.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_GUESTVIEW_WEBVIEW_WEBVIEW_GUEST_H_
 #define CHROME_BROWSER_GUESTVIEW_WEBVIEW_WEBVIEW_GUEST_H_
 
 #include "base/observer_list.h"
 #include "chrome/browser/extensions/tab_helper.h"
 #include "chrome/browser/guestview/guestview.h"
@@ skipping 104 matching lines @@
                  uint32 removal_mask,
                  const base::Closure& callback);
 
   extensions::ScriptExecutor* script_executor() {
     return script_executor_.get();
   }
 
  private:
   virtual ~WebViewGuest();
 
+  // A map to store the callback for a request keyed by the request's id.
+  struct PermissionResponseInfo {
+    PermissionResponseCallback callback;
+    BrowserPluginPermissionType permission_type;
+    bool allowed_by_default;
+    PermissionResponseInfo();
+    PermissionResponseInfo(const PermissionResponseCallback& callback,
+                           BrowserPluginPermissionType permission_type,
+                           bool allowed_by_default);
+    ~PermissionResponseInfo();
+  };
+
+  static void RecordUserInitiatedUMA(const PermissionResponseInfo& info,
+                                     bool allow);
   // WebContentsObserver implementation.
   virtual void DidCommitProvisionalLoadForFrame(
       int64 frame_id,
       const string16& frame_unique_name,
       bool is_main_frame,
       const GURL& url,
       content::PageTransition transition_type,
       content::RenderViewHost* render_view_host) OVERRIDE;
   virtual void DidFailProvisionalLoad(
       int64 frame_id,
@@ skipping 33 matching lines @@
   ObserverList<extensions::TabHelper::ScriptExecutionObserver>
       script_observers_;
   scoped_ptr<extensions::ScriptExecutor> script_executor_;
 
   content::NotificationRegistrar notification_registrar_;
 
   // A counter to generate a unique request id for a permission request.
   // We only need the ids to be unique for a given WebViewGuest.
   int next_permission_request_id_;
 
-  // A map to store the callback for a request keyed by the request's id.
-  struct PermissionResponseInfo {
-    PermissionResponseCallback callback;
-    bool allowed_by_default;
-    PermissionResponseInfo();
-    PermissionResponseInfo(const PermissionResponseCallback& callback,
-                           bool allowed_by_default);
-    ~PermissionResponseInfo();
-  };
   typedef std::map<int, PermissionResponseInfo> RequestMap;
   RequestMap pending_permission_requests_;
 
   // True if the user agent is overridden.
   bool is_overriding_user_agent_;
 
   DISALLOW_COPY_AND_ASSIGN(WebViewGuest);
 };
 
 #endif  // CHROME_BROWSER_GUESTVIEW_WEBVIEW_WEBVIEW_GUEST_H_