Add ChromiumAATTest for testing AAT font support in the shaper

content/shell/app/webkit_test_platform_support_mac.mm

 // Copyright 2013 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 "base/command_line.h"
 #include "base/logging.h"
 #include "base/mac/bundle_locations.h"
 #include "base/path_service.h"
 #include "content/public/common/content_switches.h"
 #include "content/shell/app/webkit_test_platform_support.h"
@@ skipping 36 matching lines @@
 bool CheckLayoutSystemDeps() {
   return true;
 }
 
 bool WebKitTestPlatformInitialize() {
 
   SetDefaultsToLayoutTestValues();
 
   // Load font files in the resource folder.
   static const char* const fontFileNames[] = {
-      "AHEM____.TTF",
+      "AHEM____.TTF", "ChromiumAATTest.ttf"
   };
 
   // mainBundle is Content Shell Helper.app.  Go two levels up to find
   // Content Shell.app. Due to DumpRenderTree injecting the font files into
   // its direct dependents, it's not easily possible to put the ttf files into
   // the helper's resource directory instead of the outer bundle's resource
   // directory.
   NSString* bundle = [base::mac::FrameworkBundle() bundlePath];
   bundle = [bundle stringByAppendingPathComponent:@"../.."];
   NSURL* resources_directory = [[NSBundle bundleWithPath:bundle] resourceURL];
@@ skipping 19 matching lines @@
   base::FilePath plugins_dir;
   PathService::Get(base::DIR_EXE, &plugins_dir);
   plugins_dir = plugins_dir.AppendASCII("../../../plugins");
   CommandLine& command_line = *CommandLine::ForCurrentProcess();
   command_line.AppendSwitchPath(switches::kExtraPluginDir, plugins_dir);
 
   return true;
 }
 
 }  // namespace