Support multi-button press for synthetic mouse events

content/browser/renderer_host/input/synthetic_pointer_action.cc

 // Copyright 2015 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 "content/browser/renderer_host/input/synthetic_pointer_action.h"
 
 #include "base/logging.h"
 #include "third_party/WebKit/public/platform/WebInputEvent.h"
 #include "ui/events/latency_info.h"
 
@@ skipping 36 matching lines @@
                           : SyntheticGesture::GESTURE_RUNNING;
 }
 
 SyntheticPointerAction::GestureState
 SyntheticPointerAction::ForwardTouchOrMouseInputEvents(
     const base::TimeTicks& timestamp,
     SyntheticGestureTarget* target) {
   DCHECK_LT(num_actions_dispatched_, params_.params.size());
   SyntheticPointerActionListParams::ParamList& param_list =
       params_.params[num_actions_dispatched_];
-  for (SyntheticPointerActionParams& param : param_list) {
+  for (const SyntheticPointerActionParams& param : param_list) {
     if (!synthetic_pointer_driver_->UserInputCheck(param))
       return INVALID;
 
     switch (param.pointer_action_type()) {
       case SyntheticPointerActionParams::PointerActionType::PRESS:
         synthetic_pointer_driver_->Press(param.position().x(),
-                                         param.position().y(), param.index());
+                                         param.position().y(), param.index(),
+                                         param.button());
         break;
       case SyntheticPointerActionParams::PointerActionType::MOVE:
         synthetic_pointer_driver_->Move(param.position().x(),
                                         param.position().y(), param.index());
         break;
       case SyntheticPointerActionParams::PointerActionType::RELEASE:
-        synthetic_pointer_driver_->Release(param.index());
+        synthetic_pointer_driver_->Release(param.index(), param.button());
         break;
       case SyntheticPointerActionParams::PointerActionType::IDLE:
         break;
       case SyntheticPointerActionParams::PointerActionType::NOT_INITIALIZED:
         return INVALID;
     }
   }
   synthetic_pointer_driver_->DispatchEvent(target, timestamp);
   num_actions_dispatched_++;
   if (num_actions_dispatched_ == params_.params.size())
     return DONE;
   else
     return RUNNING;
 }
 
 }  // namespace content