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/effects/GrBitmapTextGeoProc.cpp b/src/gpu/effects/GrBitmapTextGeoProc.cpp
index b9c1c8d..3958ad6 100644
--- a/src/gpu/effects/GrBitmapTextGeoProc.cpp
+++ b/src/gpu/effects/GrBitmapTextGeoProc.cpp
@@ -146,11 +146,12 @@
     this->addTextureAccess(&fTextureAccess);
 }
 
-void GrBitmapTextGeoProc::getGLProcessorKey(const GrGLSLCaps& caps,GrProcessorKeyBuilder* b) const {
+void GrBitmapTextGeoProc::getGLSLProcessorKey(const GrGLSLCaps& caps,
+                                              GrProcessorKeyBuilder* b) const {
     GrGLBitmapTextGeoProc::GenKey(*this, caps, b);
 }
 
-GrGLSLPrimitiveProcessor* GrBitmapTextGeoProc::createGLInstance(const GrGLSLCaps& caps) const {
+GrGLSLPrimitiveProcessor* GrBitmapTextGeoProc::createGLSLInstance(const GrGLSLCaps& caps) const {
     return new GrGLBitmapTextGeoProc();
 }