Move the ViewType enum to extensions\common.

chrome/browser/view_type_utils.cc

Index: chrome/browser/view_type_utils.cc
===================================================================
--- chrome/browser/view_type_utils.cc	(revision 191609)
+++ chrome/browser/view_type_utils.cc	(working copy)
@@ -17,27 +17,27 @@
 
 class ViewTypeUserData : public base::SupportsUserData::Data {
  public:
-  explicit ViewTypeUserData(ViewType type) : type_(type) {}
+  explicit ViewTypeUserData(extensions::ViewType type) : type_(type) {}
   virtual ~ViewTypeUserData() {}
-  ViewType type() { return type_; }
+  extensions::ViewType type() { return type_; }
 
  private:
-  ViewType type_;
+  extensions::ViewType type_;
 };
 
 }  // namespace
 
-ViewType GetViewType(WebContents* tab) {
+extensions::ViewType GetViewType(WebContents* tab) {
   if (!tab)
-    return VIEW_TYPE_INVALID;
+    return extensions::VIEW_TYPE_INVALID;
 
   ViewTypeUserData* user_data = static_cast<ViewTypeUserData*>(
       tab->GetUserData(&kViewTypeUserDataKey));
 
-  return user_data ? user_data->type() : VIEW_TYPE_INVALID;
+  return user_data ? user_data->type() : extensions::VIEW_TYPE_INVALID;
 }
 
-void SetViewType(WebContents* tab, ViewType type) {
+void SetViewType(WebContents* tab, extensions::ViewType type) {
   tab->SetUserData(&kViewTypeUserDataKey,
                    new ViewTypeUserData(type));
 }