Move all ShaderBuilder files to GLSL

BUG=skia:

Review URL: https://codereview.chromium.org/1438003003
diff --git a/src/effects/SkMorphologyImageFilter.cpp b/src/effects/SkMorphologyImageFilter.cpp
index 9421087..1d465ed 100644
--- a/src/effects/SkMorphologyImageFilter.cpp
+++ b/src/effects/SkMorphologyImageFilter.cpp
@@ -20,7 +20,8 @@
 #include "GrTexture.h"
 #include "effects/Gr1DKernelEffect.h"
 #include "gl/GrGLFragmentProcessor.h"
-#include "gl/builders/GrGLProgramBuilder.h"
+#include "glsl/GrGLSLFragmentShaderBuilder.h"
+#include "glsl/GrGLSLProgramBuilder.h"
 #include "glsl/GrGLSLProgramDataManager.h"
 #endif
 
@@ -287,16 +288,16 @@
 }
 
 void GrGLMorphologyEffect::emitCode(EmitArgs& args) {
-    fPixelSizeUni = args.fBuilder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
+    fPixelSizeUni = args.fBuilder->addUniform(GrGLSLProgramBuilder::kFragment_Visibility,
                                             kFloat_GrSLType, kDefault_GrSLPrecision,
                                             "PixelSize");
     const char* pixelSizeInc = args.fBuilder->getUniformCStr(fPixelSizeUni);
-    fRangeUni = args.fBuilder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
+    fRangeUni = args.fBuilder->addUniform(GrGLSLProgramBuilder::kFragment_Visibility,
                                             kVec2f_GrSLType, kDefault_GrSLPrecision,
                                             "Range");
     const char* range = args.fBuilder->getUniformCStr(fRangeUni);
 
-    GrGLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBuilder();
+    GrGLSLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBuilder();
     SkString coords2D = fsBuilder->ensureFSCoords2D(args.fCoords, 0);
     const char* func;
     switch (fType) {