[WebsiteSettings] Change permission bubble API to adapt to new mocks.

chrome/browser/ui/website_settings/mock_permission_bubble_request.cc

Index: chrome/browser/ui/website_settings/mock_permission_bubble_request.cc
diff --git a/chrome/browser/ui/website_settings/mock_permission_bubble_request.cc b/chrome/browser/ui/website_settings/mock_permission_bubble_request.cc
index 9c8770e602a83438ac6702a9528d87253e504b2f..b7555fba554816a2c80501e9e2b3d23464053bc2 100644
--- a/chrome/browser/ui/website_settings/mock_permission_bubble_request.cc
+++ b/chrome/browser/ui/website_settings/mock_permission_bubble_request.cc
@@ -17,3 +17,15 @@ void MockPermissionBubbleRequest::SetText(const base::string16& text) {
   ON_CALL(*this, GetMessageText()).WillByDefault(testing::Return(text));
   ON_CALL(*this, GetMessageTextFragment()).WillByDefault(testing::Return(text));
 }
+
+int MockPermissionBubbleRequest::GetIconID() const {
+  return 0;
+}
+
+bool MockPermissionBubbleRequest::HasUserGesture() const {
+  return false;
+}
+
+GURL MockPermissionBubbleRequest::GetRequestingHostname() const {
+  return GURL("http://www.google.com");
+}