GTK: Expand the list of acceptable errors from GTK to handle missing theme engines.

content/browser/browser_main_loop.cc

 // Copyright (c) 2011 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.
 
 #include "content/browser/browser_main_loop.h"
 
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
@@ skipping 96 matching lines @@
     // spam the user with more than one of them.
     static bool alerted = false;
     if (!alerted) {
       LOG(ERROR) << "Bug 9643: " << log_domain << ": " << message;
       alerted = true;
     }
   } else if (strstr(message, "Unable to retrieve the file info for")) {
     LOG(ERROR) << "GTK File code error: " << message;
   } else if (strstr(message, "Theme file for default has no") ||
              strstr(message, "Theme directory") ||
-             strstr(message, "theme pixmap")) {
+             strstr(message, "theme pixmap") ||
+             strstr(message, "locate theme engine")) {
     LOG(ERROR) << "GTK theme error: " << message;
   } else if (strstr(message, "gtk_drag_dest_leave: assertion")) {
     LOG(ERROR) << "Drag destination deleted: http://crbug.com/18557";
   } else if (strstr(message, "Out of memory") &&
              strstr(log_domain, "<unknown>")) {
     LOG(ERROR) << "DBus call timeout or out of memory: "
                << "http://crosbug.com/15496";
   } else if (strstr(message, "XDG_RUNTIME_DIR variable not set")) {
     LOG(ERROR) << message << " (http://bugs.chromium.org/97293)";
   } else {
@@ skipping 430 matching lines @@
     MessageLoopForUI::current()->PostTask(FROM_HERE, parameters_.ui_task);
 
 #if defined(OS_MACOSX)
   MessageLoopForUI::current()->Run();
 #else
   MessageLoopForUI::current()->RunWithDispatcher(NULL);
 #endif
 }
 
 }  // namespace content