Added support for Text only zoom...

chrome/browser/views/tab_contents/tab_contents_view_win.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_VIEWS_TAB_CONTENTS_TAB_CONTENTS_VIEW_WIN_H_
 #define CHROME_BROWSER_VIEWS_TAB_CONTENTS_TAB_CONTENTS_VIEW_WIN_H_
 
 #include "base/gfx/size.h"
 #include "base/scoped_ptr.h"
 #include "chrome/browser/tab_contents/tab_contents_view.h"
+#include "chrome/common/page_zoom.h"
 #include "views/widget/widget_win.h"
 
 class RenderViewContextMenuWin;
 class SadTabView;
 struct WebDropData;
 class WebDropTarget;
 
 // Windows-specific implementation of the TabContentsView. It is a HWND that
 // contains all of the contents of the tab and associated child views.
 class TabContentsViewWin : public TabContentsView,
@@ skipping 56 matching lines @@
   // shown or hidden.
   void WasHidden();
   void WasShown();
 
   // Handles resizing of the contents. This will notify the RenderWidgetHostView
   // of the change, reposition popups, and the find in page bar.
   void WasSized(const gfx::Size& size);
 
   // TODO(brettw) comment these. They're confusing.
   bool ScrollZoom(int scroll_type);
-  void WheelZoom(int distance);
+  void WheelZoom(PageZoom::Function zoom_type);
 
   // ---------------------------------------------------------------------------
 
   // A drop target object that handles drags over this TabContents.
   scoped_refptr<WebDropTarget> drop_target_;
 
   // Used to render the sad tab. This will be non-NULL only when the sad tab is
   // visible.
   scoped_ptr<SadTabView> sad_tab_;
 
   // Whether to ignore the next CHAR keyboard event.
   bool ignore_next_char_event_;
 
   // The id used in the ViewStorage to store the last focused view.
   int last_focused_view_storage_id_;
 
   // The context menu. Callbacks are asynchronous so we need to keep it around.
   scoped_ptr<RenderViewContextMenuWin> context_menu_;
 
   DISALLOW_COPY_AND_ASSIGN(TabContentsViewWin);
 };
 
 #endif  // CHROME_BROWSER_VIEWS_TAB_CONTENTS_TAB_CONTENTS_VIEW_WIN_H_