Rename some processor functions from GL to GLSL

src/effects/SkDisplacementMapEffect.cpp

Index: src/effects/SkDisplacementMapEffect.cpp
diff --git a/src/effects/SkDisplacementMapEffect.cpp b/src/effects/SkDisplacementMapEffect.cpp
index d90e9f3200fd13397142bd4822027e5c3ad925d3..715391cf821c356157b35a904e502deea14e7850 100644
--- a/src/effects/SkDisplacementMapEffect.cpp
+++ b/src/effects/SkDisplacementMapEffect.cpp
@@ -352,12 +352,12 @@ public:
     const GrTextureDomain& domain() const { return fDomain; }
 
 private:
-    GrGLSLFragmentProcessor* onCreateGLInstance() const override {
+    GrGLSLFragmentProcessor* onCreateGLSLInstance() const override {
         return new GrGLDisplacementMapEffect(*this);
     }
 
-    virtual void onGetGLProcessorKey(const GrGLSLCaps& caps,
-                                     GrProcessorKeyBuilder* b) const override {
+    virtual void onGetGLSLProcessorKey(const GrGLSLCaps& caps,
+                                       GrProcessorKeyBuilder* b) const override {
         GrGLDisplacementMapEffect::GenKey(*this, caps, b);
     }