Added support for multiple parameters to Extension API callbacks.

chrome/browser/extensions/api/webstore_private/webstore_private_apitest.cc

 // 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 <vector>
 
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/stringprintf.h"
 #include "chrome/browser/extensions/bundle_installer.h"
@@ skipping 227 matching lines @@
         command_line, gfx::kGLImplementationOSMesaName)) <<
         "kUseGL must not be set multiple times!";
 #endif
   }
 
  protected:
   void RunTest(bool webgl_allowed) {
     static const char kEmptyArgs[] = "[]";
     static const char kWebGLStatusAllowed[] = "webgl_allowed";
     static const char kWebGLStatusBlocked[] = "webgl_blocked";
-    scoped_ptr<base::Value> result(utils::RunFunctionAndReturnResult(
+    scoped_ptr<base::Value> result(utils::RunFunctionAndReturnSingleResult(
             new GetWebGLStatusFunction(), kEmptyArgs, browser()));
     EXPECT_EQ(base::Value::TYPE_STRING, result->GetType());
     StringValue* value = static_cast<StringValue*>(result.get());
     std::string webgl_status = "";
     EXPECT_TRUE(value && value->GetAsString(&webgl_status));
     EXPECT_STREQ(webgl_allowed ? kWebGLStatusAllowed : kWebGLStatusBlocked,
                  webgl_status.c_str());
   }
 };
 
@@ skipping 194 matching lines @@
   blacklist->UpdateGpuDataManager();
   GpuFeatureType type =
       content::GpuDataManager::GetInstance()->GetGpuFeatureType();
   EXPECT_EQ(type, content::GPU_FEATURE_TYPE_WEBGL);
 
   bool webgl_allowed = false;
   RunTest(webgl_allowed);
 }
 
 }  // namespace extensions