Initial refactor of shaderbuilder to prepare for geometry shaders

gitignore for eclipse

BUG=skia:
R=bsalomon@google.com, bsalomon@chromium.org

Author: joshualitt@chromium.org

Review URL: https://codereview.chromium.org/491673002
diff --git a/src/gpu/gl/GrGLProgram.cpp b/src/gpu/gl/GrGLProgram.cpp
index d8c751d..d49d000 100644
--- a/src/gpu/gl/GrGLProgram.cpp
+++ b/src/gpu/gl/GrGLProgram.cpp
@@ -24,13 +24,12 @@
                                  const GrGLProgramDesc& desc,
                                  const GrEffectStage* colorStages[],
                                  const GrEffectStage* coverageStages[]) {
-    SkAutoTDelete<GrGLShaderBuilder> builder;
+    SkAutoTDelete<GrGLProgramBuilder> builder;
     if (desc.getHeader().fHasVertexCode ||!gpu->shouldUseFixedFunctionTexturing()) {
-        builder.reset(SkNEW_ARGS(GrGLFullShaderBuilder, (gpu, desc)));
+        builder.reset(SkNEW_ARGS(GrGLFullProgramBuilder, (gpu, desc)));
     } else {
-        builder.reset(SkNEW_ARGS(GrGLFragmentOnlyShaderBuilder, (gpu, desc)));
+        builder.reset(SkNEW_ARGS(GrGLFragmentOnlyProgramBuilder, (gpu, desc)));
     }
-
     if (builder->genProgram(colorStages, coverageStages)) {
         SkASSERT(0 != builder->getProgramID());
         return SkNEW_ARGS(GrGLProgram, (gpu, desc, *builder));
@@ -40,7 +39,7 @@
 
 GrGLProgram::GrGLProgram(GrGpuGL* gpu,
                          const GrGLProgramDesc& desc,
-                         const GrGLShaderBuilder& builder)
+                         const GrGLProgramBuilder& builder)
     : fColor(GrColor_ILLEGAL)
     , fCoverage(GrColor_ILLEGAL)
     , fDstCopyTexUnit(-1)