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

chrome/browser/extensions/component_loader_unittest.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 <string>
 
 #include "chrome/browser/extensions/component_loader.h"
 
 #include "base/file_util.h"
 #include "base/path_service.h"
@@ skipping 123 matching lines @@
   scoped_ptr<DictionaryValue> manifest;
 
   // Test invalid JSON.
   manifest.reset(
       component_loader_.ParseManifest("{ 'test': 3 } invalid"));
   EXPECT_FALSE(manifest.get());
 
   // Test manifests that are valid JSON, but don't have an object literal
   // at the root. ParseManifest() should always return NULL.
 
-  manifest.reset(component_loader_.ParseManifest(""));
+  manifest.reset(component_loader_.ParseManifest(std::string()));
   EXPECT_FALSE(manifest.get());
 
   manifest.reset(component_loader_.ParseManifest("[{ \"foo\": 3 }]"));
   EXPECT_FALSE(manifest.get());
 
   manifest.reset(component_loader_.ParseManifest("\"Test\""));
   EXPECT_FALSE(manifest.get());
 
   manifest.reset(component_loader_.ParseManifest("42"));
   EXPECT_FALSE(manifest.get());
@@ skipping 156 matching lines @@
   EXPECT_EQ(default_count + 1, extension_service_.extensions()->size());
   EXPECT_EQ(0u, extension_service_.unloaded_count());
 
   // replace loaded component extension.
   component_loader_.AddOrReplace(known_extension);
   EXPECT_EQ(default_count + 1, extension_service_.extensions()->size());
   EXPECT_EQ(1u, extension_service_.unloaded_count());
 }
 
 }  // namespace extensions