A quick fix for Bug 52808.

This change just creates a scoped_ptr<Value> variable and sets the return value of base::JSONReader::Read() to it. 

BUG=52808
TEST=make the "Linux Test (valgrind)(1)" bot green.
Review URL: http://codereview.chromium.org/3163027

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@56831 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/host_content_settings_map_unittest.cc

@@ -586,9 +586,9 @@ TEST_F(HostContentSettingsMapTest, ResourceIdentifierPrefs) {
       switches::kEnableResourceContentSettings);
 
   TestingProfile profile;
-  profile.GetPrefs()->Set(prefs::kContentSettingsPatterns,
-      *base::JSONReader::Read(
+  scoped_ptr<Value> value(base::JSONReader::Read(
       "{\"[*.]example.com\":{\"per_plugin\":{\"someplugin\":2}}}", false));
+  profile.GetPrefs()->Set(prefs::kContentSettingsPatterns, *value);
   HostContentSettingsMap* host_content_settings_map =
       profile.GetHostContentSettingsMap();