Rewrite std::string("") to std::string(), Linux edition.

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_util.h"
 #include "base/files/file_path.h"
 #include "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
@@ skipping 230 matching lines @@
   void RunTest(bool webgl_allowed) {
     static const char kEmptyArgs[] = "[]";
     static const char kWebGLStatusAllowed[] = "webgl_allowed";
     static const char kWebGLStatusBlocked[] = "webgl_blocked";
     scoped_refptr<GetWebGLStatusFunction> function =
         new GetWebGLStatusFunction();
     scoped_ptr<base::Value> result(utils::RunFunctionAndReturnSingleResult(
             function.get(), kEmptyArgs, browser()));
     ASSERT_TRUE(result);
     EXPECT_EQ(base::Value::TYPE_STRING, result->GetType());
-    std::string webgl_status = "";
+    std::string webgl_status = std::string();
     EXPECT_TRUE(result->GetAsString(&webgl_status));
     EXPECT_STREQ(webgl_allowed ? kWebGLStatusAllowed : kWebGLStatusBlocked,
                  webgl_status.c_str());
   }
 };
 
 // Test cases for webstore origin frame blocking.
 // TODO(mkwst): Disabled until new X-Frame-Options behavior rolls into
 // Chromium, see crbug.com/226018.
 IN_PROC_BROWSER_TEST_F(ExtensionWebstorePrivateApiTest,
@@ skipping 220 matching lines @@
   content::GpuDataManager::GetInstance()->InitializeForTesting(
       json_blacklist, gpu_info);
   EXPECT_TRUE(content::GpuDataManager::GetInstance()->IsFeatureBlacklisted(
       content::GPU_FEATURE_TYPE_WEBGL));
 
   bool webgl_allowed = false;
   RunTest(webgl_allowed);
 }
 
 }  // namespace extensions