Manifest handler for all keys background-related.

chrome/common/extensions/manifest_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 "chrome/common/extensions/manifest.h"
 
 #include <algorithm>
 #include <set>
 #include <string>
 
@@ skipping 162 matching lines @@
   std::string error;
   std::vector<InstallWarning> warnings;
   manifest->ValidateManifest(&error, &warnings);
   EXPECT_TRUE(error.empty());
   EXPECT_TRUE(warnings.empty());
 
   // Platform apps cannot have a "page_action" key.
   MutateManifest(
       &manifest, keys::kPageAction, new DictionaryValue());
   AssertType(manifest.get(), Manifest::TYPE_EXTENSION);
-  base::Value* output = NULL;
+  const base::Value* output = NULL;
   EXPECT_TRUE(manifest->HasKey(keys::kPageAction));
   EXPECT_TRUE(manifest->Get(keys::kPageAction, &output));
 
   MutateManifest(
       &manifest, keys::kPlatformAppBackground, new DictionaryValue());
   AssertType(manifest.get(), Manifest::TYPE_PLATFORM_APP);
   EXPECT_FALSE(manifest->HasKey(keys::kPageAction));
   EXPECT_FALSE(manifest->Get(keys::kPageAction, &output));
   MutateManifest(
       &manifest, keys::kPlatformAppBackground, NULL);
@@ skipping 10 matching lines @@
     EXPECT_FALSE(manifest->Get(keys::kCommands, &output));
 
     MutateManifest(
         &manifest, keys::kManifestVersion, Value::CreateIntegerValue(2));
     EXPECT_TRUE(manifest->HasKey(keys::kCommands));
     EXPECT_TRUE(manifest->Get(keys::kCommands, &output));
   }
 };
 
 }  // namespace extensions