base: Remove the string logging from CHECK().

chrome/browser/extensions/standard_management_policy_provider_unittest.cc

 // Copyright 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 "chrome/browser/extensions/standard_management_policy_provider.h"
 
 #include <memory>
 
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 23 matching lines @@
   }
 
   scoped_refptr<const Extension> CreateExtension(Manifest::Location location,
                                                  bool required) {
     base::DictionaryValue values;
     values.SetString(manifest_keys::kName, "test");
     values.SetString(manifest_keys::kVersion, "0.1");
     std::string error;
     scoped_refptr<const Extension> extension = Extension::Create(
         base::FilePath(), location, values, Extension::NO_FLAGS, &error);
-    CHECK(extension.get()) << error;
+    CHECK(extension.get());
     return extension;
   }
 
   base::MessageLoop message_loop_;
   content::TestBrowserThread ui_thread_;
   content::TestBrowserThread file_thread_;
 
   TestExtensionPrefs prefs_;
   std::unique_ptr<ExtensionManagement> settings_;
 
@@ skipping 27 matching lines @@
   base::string16 error16;
   EXPECT_TRUE(provider_.UserMayLoad(extension.get(), &error16));
   EXPECT_EQ(base::string16(), error16);
   EXPECT_TRUE(provider_.UserMayModifySettings(extension.get(), &error16));
   EXPECT_EQ(base::string16(), error16);
   EXPECT_FALSE(provider_.MustRemainEnabled(extension.get(), &error16));
   EXPECT_EQ(base::string16(), error16);
 }
 
 }  // namespace extensions