Move <webview> API to chrome layer

chrome/renderer/browser_plugin/chrome_browser_plugin_observer.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/renderer/browser_plugin/chrome_browser_plugin_observer.h"
+
+#include <stdio.h>
+
+#include "base/memory/scoped_ptr.h"
+#include "base/values.h"
+#include "chrome/common/chrome_browser_plugin_messages.h"
+#include "chrome/renderer/browser_plugin/chrome_webview_bindings.cc"
+#include "content/public/renderer/browser_plugin/browser_plugin.h"
+#include "content/public/renderer/browser_plugin/browser_plugin_method_binding.h"
+#include "content/public/renderer/v8_value_converter.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebElement.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebPluginContainer.h"
+#include "v8/include/v8.h"
+
+namespace {
+
+}  // namespace
+
+namespace chrome {
+
+ChromeBrowserPluginObserver::ChromeBrowserPluginObserver(
+    content::BrowserPlugin* browser_plugin) :
+    content::BrowserPluginObserver(browser_plugin) {
+  browser_plugin->AddMethodBinding(new WebViewMethodBindingBack(this));
+  browser_plugin->AddMethodBinding(new WebViewMethodBindingForward(this));
+  browser_plugin->AddMethodBinding(new WebViewMethodBindingGo(this));
+}
+
+ChromeBrowserPluginObserver::~ChromeBrowserPluginObserver() {
+}
+
+void ChromeBrowserPluginObserver::Go(int relative_index) {
+  if (!browser_plugin()->HasGuest())
+    return;
+  Send(new ChromeBrowserPluginHostMsg_Go(browser_plugin()->GetRoutingID(),
+                                         relative_index));
+}
+
+bool ChromeBrowserPluginObserver::OnMessageReceived(
+    const IPC::Message& message) {
+  bool handled = true;
+  IPC_BEGIN_MESSAGE_MAP(ChromeBrowserPluginObserver, message)
+    IPC_MESSAGE_UNHANDLED(handled = false)
+  IPC_END_MESSAGE_MAP()
+  return handled;
+}
+
+}  // namespace chrome