Remove VIEW_TYPE_WEB_CONTENTS and make default view type INVALID.

chrome/browser/ui/tab_contents/tab_contents_wrapper.cc

Index: chrome/browser/ui/tab_contents/tab_contents_wrapper.cc
diff --git a/chrome/browser/ui/tab_contents/tab_contents_wrapper.cc b/chrome/browser/ui/tab_contents/tab_contents_wrapper.cc
index 5e457eaf586263e332e26a40d2652d5280aa4942..58bfbf177738005f278fef86eedd6a12f5dc3ddf 100644
--- a/chrome/browser/ui/tab_contents/tab_contents_wrapper.cc
+++ b/chrome/browser/ui/tab_contents/tab_contents_wrapper.cc
@@ -46,6 +46,7 @@
 #include "chrome/browser/ui/sync/tab_contents_wrapper_synced_tab_delegate.h"
 #include "chrome/browser/ui/tab_contents/core_tab_helper.h"
 #include "chrome/common/chrome_switches.h"
+#include "chrome/common/chrome_view_type.h"
 #include "content/public/browser/web_contents.h"
 
 using content::WebContents;
@@ -67,6 +68,8 @@ TabContentsWrapper::TabContentsWrapper(WebContents* contents)
   DCHECK(contents);
   DCHECK(!GetCurrentWrapperForContents(contents));
 
+  web_contents_->SetViewType(chrome::VIEW_TYPE_TAB_CONTENTS);
+
   // Stash this in the property bag so it can be retrieved without having to
   // go to a Browser.
   property_accessor()->SetProperty(contents->GetPropertyBag(), this);