Wires up drags to pointer watcher adapter.

ash/common/system/chromeos/palette/tools/laser_pointer_mode.cc

 // Copyright 2016 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 "ash/common/system/chromeos/palette/tools/laser_pointer_mode.h"
 
 #include "ash/common/palette_delegate.h"
 #include "ash/common/system/chromeos/palette/palette_ids.h"
 #include "ash/common/system/chromeos/palette/tools/laser_pointer_view.h"
 #include "ash/common/wm_shell.h"
@@ skipping 17 matching lines @@
 }  // namespace
 
 LaserPointerMode::LaserPointerMode(Delegate* delegate)
     : CommonPaletteTool(delegate) {
   laser_pointer_view_.reset(new LaserPointerView(
       base::TimeDelta::FromMilliseconds(kPointLifeDurationMs)));
   timer_.reset(new base::Timer(
       FROM_HERE, base::TimeDelta::FromMilliseconds(kAddStationaryPointsDelayMs),
       base::Bind(&LaserPointerMode::AddStationaryPoint, base::Unretained(this)),
       true));
-  WmShell::Get()->AddPointerWatcher(this, true);
+  WmShell::Get()->AddPointerWatcher(this,
+                                    views::PointerWatcherEventTypes::DRAGS);
 }
 
 LaserPointerMode::~LaserPointerMode() {
   OnDisable();
   WmShell::Get()->RemovePointerWatcher(this);
 }
 
 PaletteGroup LaserPointerMode::GetGroup() const {
   return PaletteGroup::MODE;
 }
@@ skipping 56 matching lines @@
     current_mouse_location_ = location_in_screen;
     if (enabled()) {
       laser_pointer_view_->AddNewPoint(current_mouse_location_);
       timer_repeat_count_ = 0;
       if (!timer_->IsRunning())
         timer_->Reset();
     }
   }
 }
 }  // namespace ash