Fix build/common.gypi to actually set proprietary_codecs when branding=Chrome.

Fix build/common.gypi to actually set proprietary_codecs when branding=Chrome.

The 'proprietary_codecs%': 0 declaration was overwriting the conditionally-set statement earlier in the file. Instead, move the 0 assignment into the else branch and copy the conditionally-set variable into the outer scope.

I fail at gyp.

BUG=277948
R=acolwell@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=219379

[awong, 2013-08-23 23:31:34]

LGTM

[acolwell GONE FROM CHROMIUM, 2013-08-23 23:31:37]

lgtm

[scherkus (not reviewing), 2013-08-23 23:33:45]

Committed patchset #1 manually as r219379 (presubmit successful).