Revert 233460 "Prefer opening PDF downloads in the browser."

trunk/src/chrome/browser/download/download_shelf_context_menu.cc

Index: trunk/src/chrome/browser/download/download_shelf_context_menu.cc
===================================================================
--- trunk/src/chrome/browser/download/download_shelf_context_menu.cc	(revision 233496)
+++ trunk/src/chrome/browser/download/download_shelf_context_menu.cc	(working copy)
@@ -79,7 +79,6 @@
     case SHOW_IN_FOLDER:
       return download_item_->CanShowInFolder();
     case OPEN_WHEN_COMPLETE:
-    case PLATFORM_OPEN:
       return download_item_->CanOpenDownload() &&
           !download_crx_util::IsExtensionDownload(*download_item_);
     case ALWAYS_OPEN_TYPE:
@@ -139,9 +138,6 @@
         prefs->DisableAutoOpenBasedOnExtension(path);
       break;
     }
-    case PLATFORM_OPEN:
-      DownloadItemModel(download_item_).OpenUsingPlatformHandler();
-      break;
     case CANCEL:
       download_item_->Cancel(true /* Cancelled by user */);
       break;
@@ -225,8 +221,6 @@
       return l10n_util::GetStringUTF16(IDS_DOWNLOAD_MENU_OPEN);
     case ALWAYS_OPEN_TYPE:
       return l10n_util::GetStringUTF16(IDS_DOWNLOAD_MENU_ALWAYS_OPEN_TYPE);
-    case PLATFORM_OPEN:
-      return l10n_util::GetStringUTF16(IDS_DOWNLOAD_MENU_PLATFORM_OPEN);
     case CANCEL:
       return l10n_util::GetStringUTF16(IDS_DOWNLOAD_MENU_CANCEL);
     case TOGGLE_PAUSE:
@@ -296,9 +290,6 @@
       OPEN_WHEN_COMPLETE, IDS_DOWNLOAD_MENU_OPEN);
   finished_download_menu_model_->AddCheckItemWithStringId(
       ALWAYS_OPEN_TYPE, IDS_DOWNLOAD_MENU_ALWAYS_OPEN_TYPE);
-  if (DownloadItemModel(download_item_).ShouldPreferOpeningInBrowser())
-    finished_download_menu_model_->AddItemWithStringId(
-        PLATFORM_OPEN, IDS_DOWNLOAD_MENU_PLATFORM_OPEN);
   finished_download_menu_model_->AddSeparator(ui::NORMAL_SEPARATOR);
   finished_download_menu_model_->AddItemWithStringId(
       SHOW_IN_FOLDER, IDS_DOWNLOAD_MENU_SHOW);