rename GrDrawTargetCaps to GrCaps

Review URL: https://codereview.chromium.org/1133123009
diff --git a/src/gpu/GrCommandBuilder.cpp b/src/gpu/GrCommandBuilder.cpp
index 106e781..b3f6d71 100644
--- a/src/gpu/GrCommandBuilder.cpp
+++ b/src/gpu/GrCommandBuilder.cpp
@@ -73,7 +73,7 @@
 
 GrTargetCommands::Cmd*
 GrCommandBuilder::recordXferBarrierIfNecessary(const GrPipeline& pipeline,
-                                               const GrDrawTargetCaps& caps) {
+                                               const GrCaps& caps) {
     const GrXferProcessor& xp = *pipeline.getXferProcessor();
     GrRenderTarget* rt = pipeline.getRenderTarget();