Moved the following IPC messages used by the chrome NPAPI plugin installer out of content

chrome/default_plugin/plugin_impl_win.h

 // Copyright (c) 2010 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_DEFAULT_PLUGIN_PLUGIN_IMPL_WIN_H_
 #define CHROME_DEFAULT_PLUGIN_PLUGIN_IMPL_WIN_H_
 #pragma once
 
 #include <string>
 
 #include "chrome/default_plugin/install_dialog.h"
 #include "chrome/default_plugin/plugin_database_handler.h"
 #include "chrome/default_plugin/plugin_install_job_monitor.h"
+#include "chrome/default_plugin/plugin_main.h"
 #include "third_party/npapi/bindings/npapi.h"
 #include "ui/base/win/window_impl.h"
+#include "webkit/plugins/npapi/default_plugin_shared.h"
 
 // Possible plugin installer states.
 enum PluginInstallerState {
   PluginInstallerStateUndefined,
   PluginListDownloadInitiated,
   PluginListDownloaded,
   PluginListDownloadedPluginNotFound,
   PluginListDownloadFailed,
   PluginDownloadInitiated,
   PluginDownloadCompleted,
   PluginDownloadFailed,
   PluginInstallerLaunchSuccess,
   PluginInstallerLaunchFailure
 };
 
 class PluginInstallDialog;
 class PluginDatabaseHandler;
 
 // Provides the plugin installation functionality. This class is
 // instantiated with the information like the mime type of the
 // target plugin, the display mode, etc.
-class PluginInstallerImpl : public ui::WindowImpl {
+class PluginInstallerImpl : public default_plugin::PluginInstallerBase,
+                            public ui::WindowImpl {
  public:
   static const int kRefreshPluginsMessage  = WM_APP + 1;
 
   // mode is the plugin instantiation mode, i.e. whether it is a full
   // page plugin (NP_FULL) or an embedded plugin (NP_EMBED)
   explicit PluginInstallerImpl(int16 mode);
   virtual ~PluginInstallerImpl();
 
   BEGIN_MSG_MAP_EX(PluginInstallerImpl)
     MESSAGE_HANDLER(WM_ERASEBKGND, OnEraseBackGround)
     MESSAGE_HANDLER(WM_PAINT, OnPaint)
     MESSAGE_HANDLER(WM_LBUTTONDOWN, OnLButtonDown)
     MESSAGE_HANDLER(kRefreshPluginsMessage, OnRefreshPlugins)
     MESSAGE_HANDLER(WM_COPYDATA, OnCopyData)
     MESSAGE_HANDLER(WM_SETCURSOR, OnSetCursor)
+    MESSAGE_HANDLER(
+        webkit::npapi::default_plugin::kInstallMissingPluginMessage,
+        OnInstallPluginMessage)
   END_MSG_MAP()
 
   // Initializes the plugin with the instance information, mime type
   // and the list of parameters passed down to the plugin from the webpage.
   //
   // Parameters:
   // module_handle
   //   The handle to the dll in which this object is instantiated.
   // instance
   //   The plugins opaque instance handle.
@@ skipping 120 matching lines @@
 
  protected:
   // Window message handlers.
   LRESULT OnPaint(UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled);
   LRESULT OnEraseBackGround(UINT message, WPARAM wparam, LPARAM lparam,
                             BOOL& handled);
   LRESULT OnLButtonDown(UINT message, WPARAM wparam, LPARAM lparam,
                         BOOL& handled);
   LRESULT OnSetCursor(UINT message, WPARAM wparam, LPARAM lparam,
                       BOOL& handled);
+  // Handles the install plugin message coming from the plugin infobar.
+  LRESULT OnInstallPluginMessage(UINT message, WPARAM wparam, LPARAM lparam,
+                                 BOOL& handled);
 
   // Refreshes the loaded plugin list and reloads the current page.
   LRESULT OnRefreshPlugins(UINT message, WPARAM wparam, LPARAM lparam,
                            BOOL& handled);
 
   // Launches the third party plugin installer. This message is
   // received when the request to download the installer, initiated by
   // plugin completes.
   LRESULT OnCopyData(UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled);
 
@@ skipping 101 matching lines @@
   PluginDatabaseHandler plugin_database_handler_;
   // Indicates if the left click to download/refresh should be enabled or not.
   bool enable_click_;
   // Handles to the fonts used to display text in the plugin window.
   HFONT bold_font_;
   HFONT regular_font_;
   HFONT underline_font_;
   // Tooltip Window.
   HWND tooltip_;
 
+  // Count of plugin instances.
+  static int instance_count_;
+
+  // Set to true if the plugin install infobar is to be shown.
+  static bool show_install_infobar_;
+
   DISALLOW_COPY_AND_ASSIGN(PluginInstallerImpl);
 };
 
 
 #endif  // CHROME_DEFAULT_PLUGIN_PLUGIN_IMPL_WIN_H_