Move shader compiling to ProgramBuilder and various ShaderBuilder cleanups.

src/gpu/gl/builders/GrGLGeometryShaderBuilder.cpp

Index: src/gpu/gl/builders/GrGLGeometryShaderBuilder.cpp
diff --git a/src/gpu/gl/builders/GrGLGeometryShaderBuilder.cpp b/src/gpu/gl/builders/GrGLGeometryShaderBuilder.cpp
index f8e6389735774ff935890023baf3f99f87bb5bc6..159b904f2c47488e4d499b8cf11e5b4c91a3f5a2 100644
--- a/src/gpu/gl/builders/GrGLGeometryShaderBuilder.cpp
+++ b/src/gpu/gl/builders/GrGLGeometryShaderBuilder.cpp
@@ -37,8 +37,3 @@ void GrGLGeometryBuilder::addVarying(const char* name, GrSLPrecision precision,
     }
 }
 
-bool GrGLGeometryBuilder::compileAndAttachShaders(GrGLuint programId,
-        SkTDArray<GrGLuint>* shaderIds) {
-    SkFAIL("Geometry shaders are not currently supported");
-    return false;
-}