DevTools: control touch emulation from the browser side only.

content/browser/web_contents/web_contents_impl.h

 // 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.
 
 #ifndef CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 522 matching lines @@
       bool* is_keyboard_shortcut) OVERRIDE;
   virtual void HandleKeyboardEvent(
       const NativeWebKeyboardEvent& event) OVERRIDE;
   virtual bool HandleWheelEvent(
       const blink::WebMouseWheelEvent& event) OVERRIDE;
   virtual bool PreHandleGestureEvent(
       const blink::WebGestureEvent& event) OVERRIDE;
   virtual bool HandleGestureEvent(
       const blink::WebGestureEvent& event) OVERRIDE;
   virtual void DidSendScreenRects(RenderWidgetHostImpl* rwh) OVERRIDE;
-  virtual void OnTouchEmulationEnabled(bool enabled) OVERRIDE;
   virtual BrowserAccessibilityManager* GetRootBrowserAccessibilityManager()
       OVERRIDE;
   virtual BrowserAccessibilityManager*
       GetOrCreateRootBrowserAccessibilityManager() OVERRIDE;
 
   // RenderFrameHostManager::Delegate ------------------------------------------
 
   virtual bool CreateRenderViewForRenderManager(
       RenderViewHost* render_view_host,
       int opener_route_id,
@@ skipping 106 matching lines @@
   typedef base::Callback<void(WebContents*)> CreatedCallback;
 
   // Requests the renderer to select the region between two points in the
   // currently focused frame.
   void SelectRange(const gfx::Point& start, const gfx::Point& end);
 
   // Notifies the main frame that it can continue navigation (if it was deferred
   // immediately at first response).
   void ResumeResponseDeferredAtStart();
 
+  // Forces overscroll to be disabled (used by touch emulation).
+  void SetForceDisableOverscrollContent(bool force_disable);
+
  private:
   friend class TestNavigationObserver;
   friend class WebContentsAddedObserver;
   friend class WebContentsObserver;
   friend class WebContents;  // To implement factory methods.
 
   FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest, NoJSMessageOnInterstitials);
   FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest, UpdateTitle);
   FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest, FindOpenerRVHWhenPending);
   FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest,
@@ skipping 495 matching lines @@
   bool fullscreen_widget_had_focus_at_shutdown_;
 
   // Maps the ids of pending image downloads to their callbacks
   typedef std::map<int, ImageDownloadCallback> ImageDownloadMap;
   ImageDownloadMap image_download_map_;
 
   // Whether this WebContents is responsible for displaying a subframe in a
   // different process from its parent page.
   bool is_subframe_;
 
-  // Whether touch emulation is enabled in RenderWidgetHost.
-  bool touch_emulation_enabled_;
+  // Whether overscroll should be unconditionally disabled.
+  bool force_disable_overscroll_content_;
 
   // Whether the last JavaScript dialog shown was suppressed. Used for testing.
   bool last_dialog_suppressed_;
 
   scoped_ptr<GeolocationDispatcherHost> geolocation_dispatcher_host_;
 
   scoped_ptr<MidiDispatcherHost> midi_dispatcher_host_;
 
   scoped_ptr<ScreenOrientationDispatcherHost>
       screen_orientation_dispatcher_host_;
 
   // The accessibility mode for all frames. This is queried when each frame
   // is created, and broadcast to all frames when it changes.
   AccessibilityMode accessibility_mode_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_