Remove constructors from GrVertexAttrib. 

It fits our style better to use initializer lists, so the constructors have 
been removed and replaced with said lists.

Review URL: https://codereview.chromium.org/12379052


git-svn-id: http://skia.googlecode.com/svn/trunk@7936 2bbb7eff-a529-9590-31e7-b0007b416f81
9 files changed