Stop using an atom to store plugin name/version on Windows.

content/browser/plugin_process_host.h

 // 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 CONTENT_BROWSER_PLUGIN_PROCESS_HOST_H_
 #define CONTENT_BROWSER_PLUGIN_PROCESS_HOST_H_
 
 #include "build/build_config.h"
 
 #include <list>
@@ skipping 102 matching lines @@
   void OnAppActivation();
 #endif
 
   const WebPluginInfo& info() const { return info_; }
 
 #if defined(OS_WIN)
   // Tracks plugin parent windows created on the browser UI thread.
   void AddWindow(HWND window);
 #endif
 
+  // Given a pid of a plugin process, returns the plugin information in |info|
+  // if we know about that process. Otherwise returns false.
+  // This method can be called on any thread.
+  static bool GetWebPluginInfoFromPluginPid(int pid, WebPluginInfo* info);
+
  private:
   // Sends a message to the plugin process to request creation of a new channel
   // for the given mime type.
   void RequestPluginChannel(Client* client);
 
   // Message handlers.
   void OnChannelCreated(const IPC::ChannelHandle& channel_handle);
   void OnChannelDestroyed(int renderer_id);
 
 #if defined(OS_WIN)
@@ skipping 21 matching lines @@
   // plugin process once the channel is opened.
   std::vector<Client*> pending_requests_;
 
   // These are the channel requests that we have already sent to
   // the plugin process, but haven't heard back about yet.
   std::list<Client*> sent_requests_;
 
   // Information about the plugin.
   WebPluginInfo info_;
 
+  // The pid of the plugin process.
+  int pid_;
+
 #if defined(OS_WIN)
   // Tracks plugin parent windows created on the UI thread.
   std::set<HWND> plugin_parent_windows_set_;
 #endif
 #if defined(OS_MACOSX)
   // Tracks plugin windows currently visible.
   std::set<uint32> plugin_visible_windows_set_;
   // Tracks full screen windows currently visible.
   std::set<uint32> plugin_fullscreen_windows_set_;
   // Tracks modal windows currently visible.
@@ skipping 22 matching lines @@
     : public BrowserChildProcessHostTypeIterator<PluginProcessHost> {
  public:
   PluginProcessHostIterator()
       : BrowserChildProcessHostTypeIterator<PluginProcessHost>(
           PROCESS_TYPE_PLUGIN) {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_PLUGIN_PROCESS_HOST_H_