Fix braces and indentation in json_writer.cc prior as a precursor for subsequent modifications.

R=gab@chromium.org
TBR=thakis@chromium.org

Review URL: https://codereview.chromium.org/150003005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@249308 0039d316-1c4b-4281-b951-d872f2087c98
Prevent webRequest modification to webstore addresses.

Extensions can modify the results returned from webRequests to the webstore;
prevent this so that an extension can't spoof the metadata (including
permissions) for, e.g., an inline install.

BUG=336841
BUG=83765

Review URL: https://codereview.chromium.org/145853004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@249309 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 249309