Get rid of the RenderViewType concept in content, since it was only used by Chrome. Store the enum…

chrome/browser/view_type_utils.cc

+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/view_type_utils.h"
+
+#include "base/lazy_instance.h"
+#include "base/property_bag.h"
+#include "content/public/browser/web_contents.h"
+
+using content::WebContents;
+
+namespace chrome {
+
+static base::LazyInstance<base::PropertyAccessor<ViewType> >
+    g_view_type_property_accessor = LAZY_INSTANCE_INITIALIZER;
+
+base::PropertyAccessor<ViewType>* GetPropertyAccessor() {
+  return g_view_type_property_accessor.Pointer();
+}
+
+ViewType GetViewType(WebContents* tab) {
+  if (!tab)
+    return VIEW_TYPE_INVALID;
+  ViewType* type = GetPropertyAccessor()->GetProperty(tab->GetPropertyBag());
+  if (type)
+    return *type;
+  return VIEW_TYPE_INVALID;
+}
+
+void SetViewType(WebContents* tab, ViewType type) {
+  GetPropertyAccessor()->SetProperty(tab->GetPropertyBag(), type);
+}
+
+}  // namespace chrome