Added support for Text only zoom...

chrome/browser/browser.h

Index: chrome/browser/browser.h
===================================================================
--- chrome/browser/browser.h	(revision 19223)
+++ chrome/browser/browser.h	(working copy)
@@ -6,6 +6,7 @@
 #define CHROME_BROWSER_BROWSER_H_
 
 #include <set>
+#include <string>
 #include <vector>
 
 #include "base/basictypes.h"
@@ -21,6 +22,7 @@
 #include "chrome/browser/tab_contents/tab_contents_delegate.h"
 #include "chrome/browser/toolbar_model.h"
 #include "chrome/common/notification_registrar.h"
+#include "chrome/common/page_zoom.h"
 #include "chrome/common/pref_member.h"
 #include "testing/gtest/include/gtest/gtest_prod.h"
 
@@ -344,6 +346,8 @@
   void ZoomIn();
   void ZoomReset();
   void ZoomOut();
+  void ZoomTextOnlyIn();
+  void ZoomTextOnlyOut();
 
   // Focus various bits of UI
   void FocusToolbar();
@@ -471,7 +475,7 @@
   virtual void URLStarredChanged(TabContents* source, bool starred);
   virtual void UpdateTargetURL(TabContents* source, const GURL& url);
   virtual void ContentsMouseEvent(TabContents* source, bool motion);
-  virtual void ContentsZoomChange(bool zoom_in);
+  virtual void ContentsZoomChange(PageZoom::Function zoom_type);
   virtual void TabContentsFocused(TabContents* tab_content);
   virtual bool IsApplication() const;
   virtual void ConvertContentsToApplication(TabContents* source);