Fix style violations.

chrome/browser/renderer_host/chrome_render_widget_host_view_mac_delegate.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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 CHROME_BROWSER_RENDERER_HOST_CHROME_RENDER_WIDGET_HOST_VIEW_DELEGATE_H_
 #define CHROME_BROWSER_RENDERER_HOST_CHROME_RENDER_WIDGET_HOST_VIEW_DELEGATE_H_
 #pragma once
 
 #import <Cocoa/Cocoa.h>
 
 #import "base/memory/scoped_ptr.h"
 #import "content/browser/renderer_host/render_widget_host_view_mac_delegate.h"
 
 class RenderWidgetHost;
 
 namespace ChromeRenderWidgetHostViewMacDelegateInternal {
 class SpellCheckRenderViewObserver;
 }
 
 @interface ChromeRenderWidgetHostViewMacDelegate
     : NSObject<RenderWidgetHostViewMacDelegate> {
  @private
-  RenderWidgetHost* render_widget_host_;  // weak
+  RenderWidgetHost* renderWidgetHost_;  // weak
   scoped_ptr<ChromeRenderWidgetHostViewMacDelegateInternal::
-      SpellCheckRenderViewObserver> spelling_observer_;
+      SpellCheckRenderViewObserver> spellingObserver_;
 
   // If the viewport is scrolled all the way to the left or right.
   // Used for history swiping.
   BOOL isPinnedLeft_;
   BOOL isPinnedRight_;
 
   // If the main frame has a horizontal scrollbar.
   // Used for history swiping.
   BOOL hasHorizontalScrollbar_;
 
   // If a scroll event came back unhandled from the renderer. Set to |NO| at
   // the start of a scroll gesture, and then to |YES| if a scroll event comes
   // back unhandled from the renderer.
   // Used for history swiping.
   BOOL gotUnhandledWheelEvent_;
 
   // Cumulative scroll delta since scroll gesture start. Only valid during
   // scroll gesture handling. Used for history swiping.
   NSSize totalScrollDelta_;
 
   // Used for continuous spell checking.
-  BOOL spellcheck_enabled_;
-  BOOL spellcheck_checked_;
+  BOOL spellcheckEnabled_;
+  BOOL spellcheckChecked_;
 }
 
-- (id)initWithRenderWidgetHost:(RenderWidgetHost*)render_widget_host;
+- (id)initWithRenderWidgetHost:(RenderWidgetHost*)renderWidgetHost;
 
 - (void)viewGone:(NSView*)view;
 - (BOOL)handleEvent:(NSEvent*)event;
 - (void)gotUnhandledWheelEvent;
 - (void)scrollOffsetPinnedToLeft:(BOOL)left toRight:(BOOL)right;
-- (void)setHasHorizontalScrollbar:(BOOL)has_horizontal_scrollbar;
+- (void)setHasHorizontalScrollbar:(BOOL)hasHorizontalScrollbar;
 - (BOOL)validateUserInterfaceItem:(id<NSValidatedUserInterfaceItem>)item
                       isValidItem:(BOOL*)valid;
 
 @end
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_CHROME_RENDER_WIDGET_HOST_VIEW_DELEGATE_H_