Load DumpRenderTree.pak also for webkit unit tests

webkit/support/platform_support_mac.mm

 // Copyright (c) 2012 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 "webkit/support/platform_support.h"
 
 #import <AppKit/AppKit.h>
 #include <AvailabilityMacros.h>
 #import <Foundation/Foundation.h>
 #import <objc/objc-runtime.h>
@@ skipping 81 matching lines @@
 #else
   // Swizzle instance methods...
   SwizzleAllMethods(imposterClass, originalClass);
   // and then class methods.
   SwizzleAllMethods(object_getClass(imposterClass),
                     object_getClass(originalClass));
 #endif
 }
 
 void AfterInitialize(bool unit_test_mode) {
-  if (unit_test_mode)
-    return;  // We don't have a resource pack when running the unit-tests.
-
   // Load a data pack.
   g_resource_data_pack = new ui::DataPack(ui::SCALE_FACTOR_100P);
-  NSString* resource_path =
-      [base::mac::FrameworkBundle() pathForResource:@"DumpRenderTree"
-                                             ofType:@"pak"];
-  FilePath resources_pak_path([resource_path fileSystemRepresentation]);
+  FilePath resources_pak_path;
+  if (unit_test_mode) {
+    PathService::Get(base::DIR_EXE, &resources_pak_path);
+    resources_pak_path = resources_pak_path.Append("DumpRenderTree.app")
+        .Append("Contents")
+        .Append("Resources")
+        .Append("DumpRenderTree.pak");
+  } else {
+    NSString* resource_path =
+        [base::mac::FrameworkBundle() pathForResource:@"DumpRenderTree"
+                                               ofType:@"pak"];
+    resources_pak_path = FilePath([resource_path fileSystemRepresentation]);
+  }
   if (!g_resource_data_pack->LoadFromPath(resources_pak_path)) {
     LOG(FATAL) << "failed to load DumpRenderTree.pak";
   }
 
+  if (unit_test_mode)
+    return;
+
   // Load font files in the resource folder.
   static const char* const fontFileNames[] = {
       "AHEM____.TTF",
       // We don't register WebKitWeightWather fonts because of
       // webkit.org/b/50709.
   };
 
   NSMutableArray* font_urls = [NSMutableArray array];
   NSURL* resources_directory = [[NSBundle mainBundle] resourceURL];
   for (unsigned i = 0; i < arraysize(fontFileNames); ++i) {
@@ skipping 104 matching lines @@
       }
     }
     return resize_corner_data;
   }
   }
   base::StringPiece res;
   if (g_resource_data_pack)
     g_resource_data_pack->GetStringPiece(resource_id, &res);
   return res;
 }