Add support for touch-action: manipulation

content/renderer/render_widget.cc

 // Copyright (c) 2012 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/renderer/render_widget.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/debug/trace_event_synthetic_delay.h"
@@ skipping 2701 matching lines @@
                   enum_values_must_match_for_touch_action);
    COMPILE_ASSERT(static_cast<blink::WebTouchAction>(TOUCH_ACTION_NONE) ==
                       blink::WebTouchActionNone,
                   enum_values_must_match_for_touch_action);
    COMPILE_ASSERT(static_cast<blink::WebTouchAction>(TOUCH_ACTION_PAN_X) ==
                       blink::WebTouchActionPanX,
                   enum_values_must_match_for_touch_action);
    COMPILE_ASSERT(static_cast<blink::WebTouchAction>(TOUCH_ACTION_PAN_Y) ==
                       blink::WebTouchActionPanY,
                   enum_values_must_match_for_touch_action);
+   COMPILE_ASSERT(
+       static_cast<blink::WebTouchAction>(TOUCH_ACTION_PINCH_ZOOM) ==
+           blink::WebTouchActionPinchZoom,
+       enum_values_must_match_for_touch_action);
 
    content::TouchAction content_touch_action =
        static_cast<content::TouchAction>(web_touch_action);
   Send(new InputHostMsg_SetTouchAction(routing_id_, content_touch_action));
 }
 
 bool RenderWidget::HasTouchEventHandlersAt(const gfx::Point& point) const {
   return true;
 }
 
@@ skipping 52 matching lines @@
 
 void RenderWidget::RegisterSwappedOutChildFrame(RenderFrameImpl* frame) {
   swapped_out_frames_.AddObserver(frame);
 }
 
 void RenderWidget::UnregisterSwappedOutChildFrame(RenderFrameImpl* frame) {
   swapped_out_frames_.RemoveObserver(frame);
 }
 
 }  // namespace content