Extract Modules from WebCore
This CL moves Source/WebCore/Modules to Source/modules. This CL tries to
minimize the change to the GYP files. We'll likely want to do a more extensive
modification shortly. This CL is based on the directory reorganization plan
from:
https://docs.google.com/a/chromium.org/document/d/1BCRkA5ERZtBMXkXB1aMFKKLl5LR_Wq5LpAHtlEf1j_c/edit
Rubber-stamped by Eric Seidel.
git-svn-id: svn://svn.chromium.org/blink/trunk@148125 bbb929c8-8fbe-4397-9dbb-9b2b20218538