layout_test_helper crashed if there is no "1" color profile on Mac

components/test_runner/helper/layout_test_helper_mac.mm

 // Copyright 2014 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.
 
 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2012 Apple Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ skipping 52 matching lines @@
     CFDictionaryRef device_info = ColorSyncDeviceCopyDeviceInfo(
         kColorSyncDisplayDeviceClass, main_display_id);
 
     if (!device_info) {
       NSLog(@"No display attached to system; not setting main display's color "
              "profile.");
       CFRelease(main_display_id);
       return;
     }
 
+    CFDictionaryRef factory_info =
+        (CFDictionaryRef)CFDictionaryGetValue(device_info,
+                                              kColorSyncFactoryProfiles);
+
+    if (!factory_info) {
+      NSLog(@"No no factory info; not setting main display's color "
+             "profile.");
+      CFRelease(device_info);
+      CFRelease(main_display_id);
+      return;
+    }
+
+    CFStringRef default_profile_id =
+        (CFStringRef)CFDictionaryGetValue(factory_info,
+                                          kColorSyncDeviceDefaultProfileID);
+
+    if (!default_profile_id) {
+      NSLog(@"No no default profile id; not setting main display's color "
+             "profile.");
+      CFRelease(factory_info);
+      CFRelease(device_info);
+      CFRelease(main_display_id);
+      return;
+    }
+
     CFDictionaryRef profile_info = (CFDictionaryRef)CFDictionaryGetValue(
         device_info, kColorSyncCustomProfiles);
     if (profile_info) {
       user_color_profile_url =
-          (CFURLRef)CFDictionaryGetValue(profile_info, CFSTR("1"));
+          (CFURLRef)CFDictionaryGetValue(profile_info, default_profile_id);
       CFRetain(user_color_profile_url);
     } else {
       profile_info = (CFDictionaryRef)CFDictionaryGetValue(
           device_info, kColorSyncFactoryProfiles);
       CFDictionaryRef factory_profile =
-          (CFDictionaryRef)CFDictionaryGetValue(profile_info, CFSTR("1"));
+          (CFDictionaryRef)CFDictionaryGetValue(profile_info,
+                                                default_profile_id);
       user_color_profile_url = (CFURLRef)CFDictionaryGetValue(
           factory_profile, kColorSyncDeviceProfileURL);
       CFRetain(user_color_profile_url);
     }
 
+    CFRelease(default_profile_id);
+    CFRelease(factory_info);
+    CFRelease(device_info);
     CFRelease(device_info);
   }
 
   ColorSyncProfileRef generic_rgb_profile =
       ColorSyncProfileCreateWithName(kColorSyncGenericRGBProfile);
   CFErrorRef error;
   CFURLRef profile_url = ColorSyncProfileGetURL(generic_rgb_profile, &error);
   if (!profile_url) {
     NSLog(@"Failed to get URL of Generic RGB color profile! Many pixel tests "
            "may fail as a result. Error: %@",
@@ skipping 156 matching lines @@
 
   // Wait for any key (or signal).
   getchar();
 
   // Restore the profile.
   RestoreUserColorProfile();
 
   [pool release];
   return 0;
 }