rename GrDrawTargetCaps to GrCaps

Review URL: https://codereview.chromium.org/1133123009
diff --git a/src/gpu/GrSWMaskHelper.cpp b/src/gpu/GrSWMaskHelper.cpp
index 510b85a..223f62f 100644
--- a/src/gpu/GrSWMaskHelper.cpp
+++ b/src/gpu/GrSWMaskHelper.cpp
@@ -67,7 +67,7 @@
     return config;
 }
 
-static bool choose_compressed_fmt(const GrDrawTargetCaps* caps,
+static bool choose_compressed_fmt(const GrCaps* caps,
                                   SkTextureCompressor::Format *fmt) {
     if (NULL == fmt) {
         return false;