Fix URL for download link from google storage.
Fix URL for download link from google storage.

BUG=87889,90456

Review URL: http://codereview.chromium.org/7340004

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@94053 0039d316-1c4b-4281-b951-d872f2087c98

eunchong/build,eunchong/build,eunchong/build,eunchong/build