Added support for Text only zoom...

chrome/renderer/render_view.cc

Index: chrome/renderer/render_view.cc
===================================================================
--- chrome/renderer/render_view.cc	(revision 19223)
+++ chrome/renderer/render_view.cc	(working copy)
@@ -2232,17 +2232,22 @@
 }
 
 void RenderView::OnZoom(int function) {
-  static const bool kZoomIsTextOnly = false;
   switch (function) {
+    case PageZoom::TEXT_ONLY_SMALLER:
+      webview()->ZoomOut(true);
+      break;
     case PageZoom::SMALLER:
-      webview()->ZoomOut(kZoomIsTextOnly);
+      webview()->ZoomOut(false);
       break;
     case PageZoom::STANDARD:
       webview()->ResetZoom();
       break;
     case PageZoom::LARGER:
-      webview()->ZoomIn(kZoomIsTextOnly);
+      webview()->ZoomIn(false);
       break;
+    case PageZoom::TEXT_ONLY_LARGER:
+      webview()->ZoomIn(true);
+      break;
     default:
       NOTREACHED();
   }