Move ExtensionHost from src/chrome to src/extensions

chrome/browser/extensions/extension_host.h

Index: chrome/browser/extensions/extension_host.h
diff --git a/chrome/browser/extensions/extension_host.h b/chrome/browser/extensions/extension_host.h
deleted file mode 100644
index ca25efbcf35c8934cd4e07405164b7d69afc032d..0000000000000000000000000000000000000000
--- a/chrome/browser/extensions/extension_host.h
+++ /dev/null
@@ -1,185 +0,0 @@
-// 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.
-
-#ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_HOST_H_
-#define CHROME_BROWSER_EXTENSIONS_EXTENSION_HOST_H_
-
-#include <string>
-#include <vector>
-
-#include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/timer/elapsed_timer.h"
-#include "content/public/browser/notification_observer.h"
-#include "content/public/browser/notification_registrar.h"
-#include "content/public/browser/web_contents_delegate.h"
-#include "content/public/browser/web_contents_observer.h"
-#include "extensions/browser/extension_function_dispatcher.h"
-#include "extensions/common/stack_frame.h"
-#include "extensions/common/view_type.h"
-
-class PrefsTabHelper;
-
-namespace content {
-class BrowserContext;
-class RenderProcessHost;
-class RenderWidgetHostView;
-class SiteInstance;
-}
-
-namespace extensions {
-class Extension;
-class ExtensionHostDelegate;
-class WindowController;
-
-// This class is the browser component of an extension component's RenderView.
-// It handles setting up the renderer process, if needed, with special
-// privileges available to extensions.  It may have a view to be shown in the
-// browser UI, or it may be hidden.
-class ExtensionHost : public content::WebContentsDelegate,
-                      public content::WebContentsObserver,
-                      public ExtensionFunctionDispatcher::Delegate,
-                      public content::NotificationObserver {
- public:
-  class ProcessCreationQueue;
-
-  ExtensionHost(const Extension* extension,
-                content::SiteInstance* site_instance,
-                const GURL& url, ViewType host_type);
-  virtual ~ExtensionHost();
-
-  const Extension* extension() const { return extension_; }
-  const std::string& extension_id() const { return extension_id_; }
-  content::WebContents* host_contents() const { return host_contents_.get(); }
-  content::RenderViewHost* render_view_host() const;
-  content::RenderProcessHost* render_process_host() const;
-  bool did_stop_loading() const { return did_stop_loading_; }
-  bool document_element_available() const {
-    return document_element_available_;
-  }
-
-  content::BrowserContext* browser_context() { return browser_context_; }
-
-  ViewType extension_host_type() const { return extension_host_type_; }
-  const GURL& GetURL() const;
-
-  // Returns true if the render view is initialized and didn't crash.
-  bool IsRenderViewLive() const;
-
-  // Prepares to initializes our RenderViewHost by creating its RenderView and
-  // navigating to this host's url. Uses host_view for the RenderViewHost's view
-  // (can be NULL). This happens delayed to avoid locking the UI.
-  void CreateRenderViewSoon();
-
-  // content::WebContentsObserver
-  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
-  virtual void RenderViewCreated(
-      content::RenderViewHost* render_view_host) OVERRIDE;
-  virtual void RenderViewDeleted(
-      content::RenderViewHost* render_view_host) OVERRIDE;
-  virtual void RenderViewReady() OVERRIDE;
-  virtual void RenderProcessGone(base::TerminationStatus status) OVERRIDE;
-  virtual void DocumentAvailableInMainFrame() OVERRIDE;
-  virtual void DidStopLoading(
-      content::RenderViewHost* render_view_host) OVERRIDE;
-
-  // content::WebContentsDelegate
-  virtual content::JavaScriptDialogManager*
-      GetJavaScriptDialogManager() OVERRIDE;
-  virtual void AddNewContents(content::WebContents* source,
-                              content::WebContents* new_contents,
-                              WindowOpenDisposition disposition,
-                              const gfx::Rect& initial_pos,
-                              bool user_gesture,
-                              bool* was_blocked) OVERRIDE;
-  virtual void CloseContents(content::WebContents* contents) OVERRIDE;
-  virtual void RequestMediaAccessPermission(
-      content::WebContents* web_contents,
-      const content::MediaStreamRequest& request,
-      const content::MediaResponseCallback& callback) OVERRIDE;
-  virtual bool PreHandleGestureEvent(
-      content::WebContents* source,
-      const blink::WebGestureEvent& event) OVERRIDE;
-
-  // content::NotificationObserver
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE;
-
- protected:
-  content::NotificationRegistrar* registrar() { return &registrar_; }
-
-  // Called after the extension page finishes loading but before the
-  // EXTENSION_HOST_DID_STOP_LOADING notification is sent.
-  virtual void OnDidStopLoading();
-
-  // Called once when the document first becomes available.
-  virtual void OnDocumentAvailable();
-
-  // Navigates to the initial page.
-  virtual void LoadInitialURL();
-
-  // Returns true if we're hosting a background page.
-  virtual bool IsBackgroundPage() const;
-
-  // Closes this host (results in deletion).
-  void Close();
-
- private:
-  friend class ProcessCreationQueue;
-
-  // Actually create the RenderView for this host. See CreateRenderViewSoon.
-  void CreateRenderViewNow();
-
-  // Message handlers.
-  void OnRequest(const ExtensionHostMsg_Request_Params& params);
-  void OnEventAck();
-  void OnIncrementLazyKeepaliveCount();
-  void OnDecrementLazyKeepaliveCount();
-
-  // Delegate for functionality that cannot exist in the extensions module.
-  scoped_ptr<ExtensionHostDelegate> delegate_;
-
-  // The extension that we're hosting in this view.
-  const Extension* extension_;
-
-  // Id of extension that we're hosting in this view.
-  const std::string extension_id_;
-
-  // The browser context that this host is tied to.
-  content::BrowserContext* browser_context_;
-
-  // The host for our HTML content.
-  scoped_ptr<content::WebContents> host_contents_;
-
-  // A weak pointer to the current or pending RenderViewHost. We don't access
-  // this through the host_contents because we want to deal with the pending
-  // host, so we can send messages to it before it finishes loading.
-  content::RenderViewHost* render_view_host_;
-
-  // Whether the RenderWidget has reported that it has stopped loading.
-  bool did_stop_loading_;
-
-  // True if the main frame has finished parsing.
-  bool document_element_available_;
-
-  // The original URL of the page being hosted.
-  GURL initial_url_;
-
-  content::NotificationRegistrar registrar_;
-
-  ExtensionFunctionDispatcher extension_function_dispatcher_;
-
-  // The type of view being hosted.
-  ViewType extension_host_type_;
-
-  // Used to measure how long it's been since the host was created.
-  base::ElapsedTimer since_created_;
-
-  DISALLOW_COPY_AND_ASSIGN(ExtensionHost);
-};
-
-}  // namespace extensions
-
-#endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_HOST_H_