Merge GrGLSLCaps into GrShaderCaps

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=5121

Change-Id: If8d13638f80f42161cbc766a2666c5789e5772c8
Reviewed-on: https://skia-review.googlesource.com/5121
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
diff --git a/src/gpu/GrXferProcessor.cpp b/src/gpu/GrXferProcessor.cpp
index 2769c18..ebf9492 100644
--- a/src/gpu/GrXferProcessor.cpp
+++ b/src/gpu/GrXferProcessor.cpp
@@ -67,7 +67,8 @@
     }
 }
 
-void GrXferProcessor::getGLSLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBuilder* b) const {
+void GrXferProcessor::getGLSLProcessorKey(const GrShaderCaps& caps,
+                                          GrProcessorKeyBuilder* b) const {
     uint32_t key = this->willReadDstColor() ? 0x1 : 0x0;
     if (key) {
         if (const GrTexture* dstTexture = this->getDstTexture()) {