Extract ShaderCodeSegments from GrGLProgram into a new class,
GrGLShaderBuilder. Begin populating its interface.

Requires gyp changes.

http://codereview.appspot.com/6197076/



git-svn-id: http://skia.googlecode.com/svn/trunk@3916 2bbb7eff-a529-9590-31e7-b0007b416f81
5 files changed