Switch ContentSettingsObserver to be a RenderFrameObserver instead of a RenderViewObserver

content/shell/renderer/shell_render_frame_observer.h

+// Copyright 2013 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.
+
+#ifndef CONTENT_SHELL_SHELL_RENDER_FRAME_OBSERVER_H_
+#define CONTENT_SHELL_SHELL_RENDER_FRAME_OBSERVER_H_
+
+#include "content/public/renderer/render_frame_observer.h"
+
+namespace blink {
+class WebFrame;
+}
+
+namespace content {
+class RenderFrame;
+
+class ShellRenderFrameObserver : public RenderFrameObserver {
+ public:
+  explicit ShellRenderFrameObserver(RenderFrame* render_frame);
+  virtual ~ShellRenderFrameObserver() {}
+
+ private:
+  // content::RenderFrameObserver implementation.
+  virtual void WebFrameCreated(blink::WebFrame* frame) OVERRIDE;
+
+  DISALLOW_COPY_AND_ASSIGN(ShellRenderFrameObserver);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_SHELL_SHELL_RENDER_FRAME_OBSERVER_H_