<webview>: Move Geolocation permission to chrome layer.

chrome/browser/guestview/webview/webview_guest.h

Index: chrome/browser/guestview/webview/webview_guest.h
diff --git a/chrome/browser/guestview/webview/webview_guest.h b/chrome/browser/guestview/webview/webview_guest.h
index b6bb3b49cec3a5920e6f81776f87657e465b261a..02345508304b82eee9c2c9597f1c7fffab895dae 100644
--- a/chrome/browser/guestview/webview/webview_guest.h
+++ b/chrome/browser/guestview/webview/webview_guest.h
@@ -73,7 +73,7 @@ class WebViewGuest : public GuestView,
                          const std::string& error_type) OVERRIDE;
   virtual void RendererResponsive() OVERRIDE;
   virtual void RendererUnresponsive() OVERRIDE;
-  virtual bool RequestPermission(
+  virtual void RequestPermission(
       BrowserPluginPermissionType permission_type,
       const base::DictionaryValue& request_info,
       const PermissionResponseCallback& callback,
@@ -108,6 +108,21 @@ class WebViewGuest : public GuestView,
   // Reload the guest.
   void Reload();
 
+  // Requests Geolocation Permission from the embedder.
+  void RequestGeolocationPermission(int bridge_id,
+                                    const GURL& requesting_frame,
+                                    bool user_gesture,
+                                    const base::Callback<void(bool)>& callback);
+
+  void OnWebViewGeolocationPermissionResponse(
+      int bridge_id,
+      bool user_gesture,
+      const base::Callback<void(bool)>& callback,
+      bool allow,
+      const std::string& user_input);
+
+  void CancelGeolocationPermissionRequest(int bridge_id);
+
   enum PermissionResponseAction {
     DENY,
     ALLOW,
@@ -219,6 +234,17 @@ class WebViewGuest : public GuestView,
 
   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);
+
+  int RequestPermissionInternal(
+      BrowserPluginPermissionType permission_type,
+      const base::DictionaryValue& request_info,
+      const PermissionResponseCallback& callback,
+      bool allowed_by_default);
+
   ObserverList<extensions::TabHelper::ScriptExecutionObserver>
       script_observers_;
   scoped_ptr<extensions::ScriptExecutor> script_executor_;
@@ -260,6 +286,8 @@ class WebViewGuest : public GuestView,
       accessibility_subscription_;
 #endif
 
+  std::map<int, int> bridge_id_to_request_id_map_;
+
   DISALLOW_COPY_AND_ASSIGN(WebViewGuest);
 };