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

chrome/browser/hang_monitor/hung_plugin_action.cc

Index: chrome/browser/hang_monitor/hung_plugin_action.cc
diff --git a/chrome/browser/hang_monitor/hung_plugin_action.cc b/chrome/browser/hang_monitor/hung_plugin_action.cc
index 25659bf596bdf5e19a22cab05e45757d8c591d01..82142862ab0ad00c4cb6474dd4647c88ecf825b0 100644
--- a/chrome/browser/hang_monitor/hung_plugin_action.cc
+++ b/chrome/browser/hang_monitor/hung_plugin_action.cc
@@ -83,10 +83,9 @@ bool HungPluginAction::OnHungWindowDetected(HWND hung_window,
   if (top_level_window_process_id != hung_window_process_id) {
     base::string16 plugin_name;
     base::string16 plugin_version;
-    GetPluginNameAndVersion(hung_window,
-                            top_level_window_process_id,
-                            &plugin_name,
-                            &plugin_version);
+
+    content::PluginService::GetInstance()->GetPluginInfoFromWindow(
+        hung_window, &plugin_name, &plugin_version);
     if (plugin_name.empty()) {
       plugin_name = l10n_util::GetStringUTF16(IDS_UNKNOWN_PLUGIN_NAME);
     } else if (kGTalkPluginName == plugin_name) {
@@ -160,30 +159,6 @@ void HungPluginAction::OnWindowResponsive(HWND window) {
   }
 }
 
-bool HungPluginAction::GetPluginNameAndVersion(HWND plugin_window,
-                                               DWORD browser_process_id,
-                                               base::string16* plugin_name,
-                                               base::string16* plugin_version) {
-  DCHECK(plugin_name);
-  DCHECK(plugin_version);
-  HWND window_to_check = plugin_window;
-  while (NULL != window_to_check) {
-    DWORD process_id = 0;
-    GetWindowThreadProcessId(window_to_check, &process_id);
-    if (process_id == browser_process_id) {
-      // If we have reached a window the that belongs to the browser process
-      // we have gone too far.
-      return false;
-    }
-    if (content::PluginService::GetInstance()->GetPluginInfoFromWindow(
-            window_to_check, plugin_name, plugin_version)) {
-      return true;
-    }
-    window_to_check = GetParent(window_to_check);
-  }
-  return false;
-}
-
 // static
 BOOL CALLBACK HungPluginAction::DismissMessageBox(HWND window, LPARAM ignore) {
   base::string16 class_name = gfx::GetClassName(window);