Rename some processor functions from GL to GLSL

TBR=bsalomon@google.com

BUG=skia:

Review URL: https://codereview.chromium.org/1443743002
diff --git a/src/gpu/GrDefaultGeoProcFactory.cpp b/src/gpu/GrDefaultGeoProcFactory.cpp
index 6fcec4c..e1da5d6 100644
--- a/src/gpu/GrDefaultGeoProcFactory.cpp
+++ b/src/gpu/GrDefaultGeoProcFactory.cpp
@@ -56,9 +56,9 @@
     bool coverageWillBeIgnored() const { return fCoverageWillBeIgnored; }
     bool hasVertexCoverage() const { return SkToBool(fInCoverage); }
 
-    class GLProcessor : public GrGLSLGeometryProcessor {
+    class GLSLProcessor : public GrGLSLGeometryProcessor {
     public:
-        GLProcessor()
+        GLSLProcessor()
             : fViewMatrix(SkMatrix::InvalidMatrix()), fColor(GrColor_ILLEGAL), fCoverage(0xff) {}
 
         void onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) override {
@@ -176,12 +176,12 @@
         typedef GrGLSLGeometryProcessor INHERITED;
     };
 
-    void getGLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBuilder* b) const override {
-        GLProcessor::GenKey(*this, caps, b);
+    void getGLSLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBuilder* b) const override {
+        GLSLProcessor::GenKey(*this, caps, b);
     }
 
-    GrGLSLPrimitiveProcessor* createGLInstance(const GrGLSLCaps&) const override {
-        return new GLProcessor();
+    GrGLSLPrimitiveProcessor* createGLSLInstance(const GrGLSLCaps&) const override {
+        return new GLSLProcessor();
     }
 
 private: