Fix for "Mouseovers follow the cursor even when there's a find bar in the way"

chrome/browser/renderer_host/render_widget_host_view_mac.h

 // Copyright (c) 2006-2008 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 CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_
 #define CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_
 #pragma once
 
 #import <Cocoa/Cocoa.h>
 #import <QuartzCore/CALayer.h>
@@ skipping 107 matching lines @@
   // Contains edit commands received by the -doCommandBySelector: method when
   // handling a key down event, not including inserting commands, eg. insertTab,
   // etc.
   EditCommands editCommands_;
 
   // The plugin that currently has focus (-1 if no plugin has focus).
   int focusedPluginIdentifier_;
 
   // Whether or not plugin IME is currently enabled active.
   BOOL pluginImeActive_;
+
+  // Whether the previous mouse event was ignored due to hitTest check.
+  BOOL mouseEventWasIgnored_;
 }
 
 @property(assign, nonatomic) NSRect caretRect;
 
 - (void)setCanBeKeyView:(BOOL)can;
 - (void)setTakesFocusOnlyOnMouseDown:(BOOL)b;
 - (void)setCloseOnDeactivate:(BOOL)b;
 - (void)setToolTipAtMousePoint:(NSString *)string;
 // Set frame, then notify the RenderWidgetHost that the frame has been changed,
 // but do it in a separate task, using |performSelector:withObject:afterDelay:|.
@@ skipping 241 matching lines @@
 
   // When rendering transitions from gpu to software, the gpu widget can't be
   // hidden until the software backing store has been updated. This variable is
   // set when the gpu widget needs to be hidden once a paint is completed.
   bool needs_gpu_visibility_update_after_repaint_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewMac);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_