Move all code generation from GrGLProgram to GrGLShaderBuilder

Move all code generation from GrGLProgram to GrGLShaderBuilder

Committed: http://code.google.com/p/skia/source/detail?r=14974

[bsalomon, 2014-05-28 19:43:14]

Both classes could use some refactoring in their code flow, but I wanted to keep
this pretty minimal and iterate.

This requires https://codereview.chromium.org/299943002/ to land.

[robertphillips, 2014-05-28 20:08:45]

lgtm

https://codereview.chromium.org/306663003/diff/40001/src/gpu/gl/GrGLProgram.cpp
File src/gpu/gl/GrGLProgram.cpp (right):

https://codereview.chromium.org/306663003/diff/40001/src/gpu/gl/GrGLProgram.c...
src/gpu/gl/GrGLProgram.cpp:49: 
Does it make sense to have a GenProgramOutput in the GrGLProgram object?

[bsalomon, 2014-05-28 20:09:50]

https://codereview.chromium.org/306663003/diff/40001/src/gpu/gl/GrGLProgram.cpp
File src/gpu/gl/GrGLProgram.cpp (right):

https://codereview.chromium.org/306663003/diff/40001/src/gpu/gl/GrGLProgram.c...
src/gpu/gl/GrGLProgram.cpp:49: 
On 2014/05/28 20:08:46, robertphillips wrote:
> Does it make sense to have a GenProgramOutput in the GrGLProgram object?

Maybe... I'm working on the next cleanup CL now.

[bsalomon, 2014-05-29 18:59:05]

The CQ bit was checked by bsalomon@google.com

[commit-bot: I haz the power, 2014-05-29 19:00:05]

CQ is trying da patch. Follow status at
 https://skia-tree-status.appspot.com/cq/bsalomon@google.com/306663003/40001

[commit-bot: I haz the power, 2014-05-29 19:10:04]

Change committed as 14974