Move <webview> API to chrome layer

chrome/renderer/browser_plugin/chrome_browser_plugin_observer.h

Index: chrome/renderer/browser_plugin/chrome_browser_plugin_observer.h
diff --git a/chrome/renderer/browser_plugin/chrome_browser_plugin_observer.h b/chrome/renderer/browser_plugin/chrome_browser_plugin_observer.h
new file mode 100644
index 0000000000000000000000000000000000000000..2dc019820a9a9215e52dca29d505b1ff5193bd87
--- /dev/null
+++ b/chrome/renderer/browser_plugin/chrome_browser_plugin_observer.h
@@ -0,0 +1,37 @@
+// Copyright (c) 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 CHROME_RENDERER_BROWSER_PLUGIN_CHROME_BROWSER_PLUGIN_OBSERVER_H_
+#define CHROME_RENDERER_BROWSER_PLUGIN_CHROME_BROWSER_PLUGIN_OBSERVER_H_
+
+#include "content/public/renderer/browser_plugin/browser_plugin_observer.h"
+
+namespace base {
+class ListValue;
+}  // namespace base
+
+namespace chrome {
+
+class ChromeBrowserPluginObserver : public content::BrowserPluginObserver {
+ public:
+  ChromeBrowserPluginObserver(
+      content::BrowserPlugin* browser_plugin);
+  virtual ~ChromeBrowserPluginObserver();
+
+  void Go(int relative_index);
+
+  // BrowserPluginObserver implementation.
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
+
+ private:
+
+  // Message handlers.
+
+  DISALLOW_COPY_AND_ASSIGN(ChromeBrowserPluginObserver);
+};
+
+}  // namespace chrome
+
+#endif  // CHROME_RENDERER_BROWSER_PLUGIN_CHROME_BROWSER_PLUGIN_OBSERVER_H_
+