Refactor PluginPermissionHelper as WebViewPermissionHelper

chrome/browser/guest_view/web_view/web_view_guest.h

Index: chrome/browser/guest_view/web_view/web_view_guest.h
diff --git a/chrome/browser/guest_view/web_view/web_view_guest.h b/chrome/browser/guest_view/web_view/web_view_guest.h
index b79f9ef6f6be740e403cf473a2050f515ca66d80..2a51ed97974489a9523f654c69589fff375bc734 100644
--- a/chrome/browser/guest_view/web_view/web_view_guest.h
+++ b/chrome/browser/guest_view/web_view/web_view_guest.h
@@ -12,6 +12,7 @@
 #include "chrome/browser/guest_view/guest_view.h"
 #include "chrome/browser/guest_view/web_view/javascript_dialog_helper.h"
 #include "chrome/browser/guest_view/web_view/web_view_find_helper.h"
+#include "chrome/browser/guest_view/web_view/web_view_permission_helper.h"
 #include "chrome/browser/guest_view/web_view/web_view_permission_types.h"
 #include "chrome/common/extensions/api/web_view_internal.h"
 #include "content/public/browser/javascript_dialog_manager.h"
@@ -203,25 +204,6 @@ class WebViewGuest : public GuestView<WebViewGuest>,
                                    bool allowed_by_default,
                                    const base::Callback<void(bool)>& callback);
 
-  enum PermissionResponseAction {
-    DENY,
-    ALLOW,
-    DEFAULT
-  };
-
-  enum SetPermissionResult {
-    SET_PERMISSION_INVALID,
-    SET_PERMISSION_ALLOWED,
-    SET_PERMISSION_DENIED
-  };
-
-  // Responds to the permission request |request_id| with |action| and
-  // |user_input|. Returns whether there was a pending request for the provided
-  // |request_id|.
-  SetPermissionResult SetPermission(int request_id,
-                                    PermissionResponseAction action,
-                                    const std::string& user_input);
-
   // Overrides the user agent for this guest.
   // This affects subsequent guest navigations.
   void SetUserAgentOverride(const std::string& user_agent_override);
@@ -244,105 +226,20 @@ class WebViewGuest : public GuestView<WebViewGuest>,
     return script_executor_.get();
   }
 
-  // Called when file system access is requested by the guest content using the
-  // asynchronous HTML5 file system API. The request is plumbed through the
-  // <webview> permission request API. The request will be:
-  // - Allowed if the embedder explicitly allowed it.
-  // - Denied if the embedder explicitly denied.
-  // - Determined by the guest's content settings if the embedder does not
-  // perform an explicit action.
-  // If access was blocked due to the page's content settings,
-  // |blocked_by_policy| should be true, and this function should invoke
-  // OnContentBlocked.
-  static void FileSystemAccessedAsync(int render_process_id,
-                                      int render_frame_id,
-                                      int request_id,
-                                      const GURL& url,
-                                      bool blocked_by_policy);
-
-  // Called when file system access is requested by the guest content using the
-  // synchronous HTML5 file system API in a worker thread or shared worker. The
-  // request is plumbed through the <webview> permission request API. The
-  // request will be:
-  // - Allowed if the embedder explicitly allowed it.
-  // - Denied if the embedder explicitly denied.
-  // - Determined by the guest's content settings if the embedder does not
-  // perform an explicit action.
-  // If access was blocked due to the page's content settings,
-  // |blocked_by_policy| should be true, and this function should invoke
-  // OnContentBlocked.
-  static void FileSystemAccessedSync(int render_process_id,
-                                     int render_frame_id,
-                                     const GURL& url,
-                                     bool blocked_by_policy,
-                                     IPC::Message* reply_msg);
-
  private:
+  friend class WebViewPermissionHelper;
   virtual ~WebViewGuest();
 
-  // A map to store the callback for a request keyed by the request's id.
-  struct PermissionResponseInfo {
-    PermissionResponseCallback callback;
-    WebViewPermissionType permission_type;
-    bool allowed_by_default;
-    PermissionResponseInfo();
-    PermissionResponseInfo(const PermissionResponseCallback& callback,
-                           WebViewPermissionType permission_type,
-                           bool allowed_by_default);
-    ~PermissionResponseInfo();
-  };
-
-  static void RecordUserInitiatedUMA(const PermissionResponseInfo& info,
-                                     bool allow);
-
   // Returns the top level items (ignoring submenus) as Value.
   static scoped_ptr<base::ListValue> MenuModelToValue(
       const ui::SimpleMenuModel& menu_model);
 
-  void OnWebViewGeolocationPermissionResponse(
-      int bridge_id,
-      bool user_gesture,
-      const base::Callback<void(bool)>& callback,
-      bool allow,
-      const std::string& user_input);
-
-  void OnWebViewFileSystemPermissionResponse(
-      const base::Callback<void(bool)>& callback,
-      bool allow,
-      const std::string& user_input);
-
-  void OnWebViewMediaPermissionResponse(
-      const content::MediaStreamRequest& request,
-      const content::MediaResponseCallback& callback,
-      bool allow,
-      const std::string& user_input);
-
-  void OnWebViewDownloadPermissionResponse(
-      const base::Callback<void(bool)>& callback,
-      bool allow,
-      const std::string& user_input);
-
-  void OnWebViewPointerLockPermissionResponse(
-      const base::Callback<void(bool)>& callback,
-      bool allow,
-      const std::string& user_input);
+  void AttachWebViewHelpers(content::WebContents* contents);
 
   void OnWebViewNewWindowResponse(int new_window_instance_id,
                                   bool allow,
                                   const std::string& user_input);
 
-  static void FileSystemAccessedAsyncResponse(int render_process_id,
-                                              int render_frame_id,
-                                              int request_id,
-                                              const GURL& url,
-                                              bool allowed);
-
-  static void FileSystemAccessedSyncResponse(int render_process_id,
-                                             int render_frame_id,
-                                             const GURL& url,
-                                             IPC::Message* reply_msg,
-                                             bool allowed);
-
   // WebContentsObserver implementation.
   virtual void DidCommitProvisionalLoadForFrame(
       content::RenderFrameHost* render_frame_host,
@@ -391,11 +288,6 @@ class WebViewGuest : public GuestView<WebViewGuest>,
 
   void InjectChromeVoxIfNeeded(content::RenderViewHost* render_view_host);
 
-  // Bridge IDs correspond to a geolocation request. This method will remove
-  // the bookkeeping for a particular geolocation request associated with the
-  // provided |bridge_id|. It returns the request ID of the geolocation request.
-  int RemoveBridgeID(int bridge_id);
-
   void LoadURLWithParams(const GURL& url,
                          const content::Referrer& referrer,
                          content::PageTransition transition_type,
@@ -440,13 +332,6 @@ class WebViewGuest : public GuestView<WebViewGuest>,
   // We only need the ids to be unique for a given WebViewGuest.
   int pending_context_menu_request_id_;
 
-  // 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_;
-
-  typedef std::map<int, PermissionResponseInfo> RequestMap;
-  RequestMap pending_permission_requests_;
-
   // True if the user agent is overridden.
   bool is_overriding_user_agent_;
 
@@ -468,6 +353,9 @@ class WebViewGuest : public GuestView<WebViewGuest>,
   // Handles the JavaScript dialog requests.
   JavaScriptDialogHelper javascript_dialog_helper_;
 
+  // Handels permission requests.
+  scoped_ptr<WebViewPermissionHelper> web_view_permission_helper_;
+
   friend void WebViewFindHelper::DispatchFindUpdateEvent(bool canceled,
                                                          bool final_update);
 
@@ -481,8 +369,6 @@ class WebViewGuest : public GuestView<WebViewGuest>,
       accessibility_subscription_;
 #endif
 
-  std::map<int, int> bridge_id_to_request_id_map_;
-
   // Tracks the name, and target URL of the new window. Once the first
   // navigation commits, we no longer track this information.
   struct NewWindowInfo {