Add MSAA configs to bench.
Review URL: https://codereview.chromium.org/12607013

git-svn-id: http://skia.googlecode.com/svn/trunk@8217 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/GrDrawTarget.h b/src/gpu/GrDrawTarget.h
index 965b1b6..a011aae 100644
--- a/src/gpu/GrDrawTarget.h
+++ b/src/gpu/GrDrawTarget.h
@@ -45,8 +45,10 @@
         bool fDualSourceBlendingSupport : 1;
         bool fBufferLockSupport         : 1;
         bool fPathStencilingSupport     : 1;
+
         int fMaxRenderTargetSize;
         int fMaxTextureSize;
+        int fMaxSampleCount;
     };
 
     class DrawInfo;
@@ -81,6 +83,8 @@
 
         int maxRenderTargetSize() const { return fInternals.fMaxRenderTargetSize; }
         int maxTextureSize() const { return fInternals.fMaxTextureSize; }
+        // Will be 0 if MSAA is not supported
+        int maxSampleCount() const { return fInternals.fMaxSampleCount; }
     private:
         CapsInternals fInternals;
         friend class GrDrawTarget; // to set values of fInternals