Added support for Text only zoom...

chrome/browser/tab_contents/tab_contents_delegate.h

Index: chrome/browser/tab_contents/tab_contents_delegate.h
===================================================================
--- chrome/browser/tab_contents/tab_contents_delegate.h	(revision 19223)
+++ chrome/browser/tab_contents/tab_contents_delegate.h	(working copy)
@@ -9,6 +9,7 @@
 #include "base/gfx/native_widget_types.h"
 #include "base/gfx/rect.h"
 #include "chrome/common/page_transition_types.h"
+#include "chrome/common/page_zoom.h"
 #include "chrome/common/renderer_preferences.h"
 #include "webkit/glue/context_menu.h"
 #include "webkit/glue/window_open_disposition.h"
@@ -98,7 +99,7 @@
   virtual void ContentsMouseEvent(TabContents* source, bool motion) { }
 
   // Request the delegate to change the zoom level of the current tab.
-  virtual void ContentsZoomChange(bool zoom_in) { }
+  virtual void ContentsZoomChange(PageZoom::Function zoom_type) { }
 
   // Check whether this contents is inside a window dedicated to running a web
   // application.
@@ -208,7 +209,6 @@
  protected:
   ~TabContentsDelegate() {}
   RendererPreferences renderer_preferences_;
-
 };
 
 #endif  // CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_DELEGATE_H_