mac: History swiping doesn't work right with iframes.

content/browser/renderer_host/render_widget_host_unittest.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 "base/basictypes.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/shared_memory.h"
 #include "base/timer/timer.h"
@@ skipping 448 matching lines @@
 
   // RenderWidgetHostView override.
   virtual gfx::Rect GetViewBounds() const OVERRIDE {
     return bounds_;
   }
   virtual void ProcessAckedTouchEvent(const TouchEventWithLatencyInfo& touch,
                                       InputEventAckState ack_result) OVERRIDE {
     acked_event_ = touch.event;
     ++acked_event_count_;
   }
-  virtual void UnhandledWheelEvent(const WebMouseWheelEvent& event) OVERRIDE {
-    unhandled_wheel_event_count_++;
-    unhandled_wheel_event_ = event;
+  virtual void HandledWheelEvent(const blink::WebMouseWheelEvent& event,
+                                 bool consumed) OVERRIDE {
+    if (!consumed) {
+      unhandled_wheel_event_count_++;
+      unhandled_wheel_event_ = event;
+    }
   }
   virtual void GestureEventAck(const WebGestureEvent& event,
                                InputEventAckState ack_result) OVERRIDE {
     gesture_event_type_ = event.type;
     ack_result_ = ack_result;
   }
   virtual gfx::Size GetPhysicalBackingSize() const OVERRIDE {
     if (use_fake_physical_backing_size_)
       return mock_physical_backing_size_;
     return TestRenderWidgetHostView::GetPhysicalBackingSize();
@@ skipping 2129 matching lines @@
 
   // Tests RWHI::ForwardTouchEventWithLatencyInfo().
   PressTouchPoint(0, 1);
   SendTouchEvent();
   CheckLatencyInfoComponentInMessage(
       process_, GetLatencyComponentId(), WebInputEvent::TouchStart);
   SendInputEventACK(WebInputEvent::TouchStart, INPUT_EVENT_ACK_STATE_CONSUMED);
 }
 
 }  // namespace content