Remove pinch zoom handling from the browser process

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 524 matching lines @@
 
   void RenderWidgetDeleted(RenderWidgetHostImpl* render_widget_host) override;
   void RenderWidgetGotFocus(RenderWidgetHostImpl* render_widget_host) override;
   void RenderWidgetWasResized(RenderWidgetHostImpl* render_widget_host,
                               bool width_changed) override;
   bool PreHandleKeyboardEvent(const NativeWebKeyboardEvent& event,
                               bool* is_keyboard_shortcut) override;
   void HandleKeyboardEvent(const NativeWebKeyboardEvent& event) override;
   bool HandleWheelEvent(const blink::WebMouseWheelEvent& event) override;
   bool PreHandleGestureEvent(const blink::WebGestureEvent& event) override;
-  bool HandleGestureEvent(const blink::WebGestureEvent& event) override;
   void DidSendScreenRects(RenderWidgetHostImpl* rwh) override;
   BrowserAccessibilityManager* GetRootBrowserAccessibilityManager() override;
   BrowserAccessibilityManager* GetOrCreateRootBrowserAccessibilityManager()
       override;
 
   // RenderFrameHostManager::Delegate ------------------------------------------
 
   bool CreateRenderViewForRenderManager(
       RenderViewHost* render_view_host,
       int opener_route_id,
@@ skipping 574 matching lines @@
   // the WebContents creation time.
   base::TimeTicks last_active_time_;
 
   // See description above setter.
   bool closed_by_user_gesture_;
 
   // Minimum/maximum zoom percent.
   int minimum_zoom_percent_;
   int maximum_zoom_percent_;
 
-  // The raw accumulated zoom value and the actual zoom increments made for an
-  // an in-progress pinch gesture.
-  float totalPinchGestureAmount_;
-  int currentPinchZoomStepDelta_;
-
   // The intrinsic size of the page.
   gfx::Size preferred_size_;
 
   // The preferred size for content screen capture.  When |capturer_count_| > 0,
   // this overrides |preferred_size_|.
   gfx::Size preferred_size_for_capture_;
 
 #if defined(OS_ANDROID)
   // Date time chooser opened by this tab.
   // Only used in Android since all other platforms use a multi field UI.
@@ skipping 117 matching lines @@
   // Adds/removes a callback called on creation of each new WebContents.
   static void AddCreatedCallbackForTesting(const CreatedCallback& callback);
   static void RemoveCreatedCallbackForTesting(const CreatedCallback& callback);
 
   DISALLOW_COPY_AND_ASSIGN(FriendZone);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_