Add the feature to retain the user gesture in the extension callback

extensions/browser/extension_function.cc

 // 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.
 
 #include "extensions/browser/extension_function.h"
 
 #include "base/logging.h"
 #include "base/metrics/sparse_histogram.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/notification_types.h"
@@ skipping 57 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(RenderHostTracker);
 };
 
 ExtensionFunction::ExtensionFunction()
     : request_id_(-1),
       profile_id_(NULL),
       has_callback_(false),
       include_incognito_(false),
       user_gesture_(false),
+      retain_user_gesture_(false),
       bad_message_(false),
       histogram_value_(extensions::functions::UNKNOWN),
       source_tab_id_(-1) {
 }
 
 ExtensionFunction::~ExtensionFunction() {
 }
 
 UIThreadExtensionFunction* ExtensionFunction::AsUIThreadExtensionFunction() {
   return NULL;
@@ skipping 59 matching lines @@
   ResponseType type = success ? SUCCEEDED : FAILED;
   if (bad_message_) {
     type = BAD_MESSAGE;
     LOG(ERROR) << "Bad extension message " << name_;
   }
 
   // If results were never set, we send an empty argument list.
   if (!results_)
     results_.reset(new base::ListValue());
 
-  response_callback_.Run(type, *results_, GetError());
+  response_callback_.Run(type, *results_, GetError(), retain_user_gesture_);

[not at google - send to devlin, 2014/04/09 16:44:32]

it should be "user_gesture_ && retain_user_gesture_".

 }
 
 UIThreadExtensionFunction::UIThreadExtensionFunction()
     : render_view_host_(NULL),
       render_frame_host_(NULL),
       context_(NULL),
       delegate_(NULL) {
 }
 
 UIThreadExtensionFunction::~UIThreadExtensionFunction() {
@@ skipping 93 matching lines @@
 
 SyncIOThreadExtensionFunction::SyncIOThreadExtensionFunction() {
 }
 
 SyncIOThreadExtensionFunction::~SyncIOThreadExtensionFunction() {
 }
 
 void SyncIOThreadExtensionFunction::Run() {
   SendResponse(RunImpl());
 }