Move shader compiling to ProgramBuilder and various ShaderBuilder cleanups.

src/gpu/gl/GrGLCaps.cpp

Index: src/gpu/gl/GrGLCaps.cpp
diff --git a/src/gpu/gl/GrGLCaps.cpp b/src/gpu/gl/GrGLCaps.cpp
index 9879846ef20a165eda917f6fdfad2fcad63e3deb..1d25a2ca2f47eba5fcf1d4362387f9467983b1c4 100644
--- a/src/gpu/gl/GrGLCaps.cpp
+++ b/src/gpu/gl/GrGLCaps.cpp
@@ -591,6 +591,10 @@ void GrGLCaps::initGLSL(const GrGLContextInfo& ctxInfo) {
 
     glslCaps->fVersionDeclString = get_glsl_version_decl_string(standard, glslCaps->fGLSLGeneration,
                                                                 fIsCoreProfile);
+
+    if (kGLES_GrGLStandard == standard && k110_GrGLSLGeneration == glslCaps->fGLSLGeneration) {
+        glslCaps->fShaderDerivativeExtensionString = "GL_OES_standard_derivatives";
+    }
 }
 
 bool GrGLCaps::hasPathRenderingSupport(const GrGLContextInfo& ctxInfo, const GrGLInterface* gli) {