Fix webaudio's grit dependencies.

We need to set a grit define to build webaudio correctly; prior
to this patch, we were setting it for all targets, when it really
only needs to be set for blink_resources.

R=rtoy@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1338993008

git-svn-id: svn://svn.chromium.org/blink/trunk@202233 bbb929c8-8fbe-4397-9dbb-9b2b20218538
1 file changed
tree: e3afd3e8449abd39a2c55236e9ef5f089fd52322
  1. third_party/