Put caps in a struct, move up to GrDrawTarget

Review URL: http://codereview.appspot.com/5088049



git-svn-id: http://skia.googlecode.com/svn/trunk@2314 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gpu/src/GrGpu.cpp b/gpu/src/GrGpu.cpp
index b338d05..91e659d 100644
--- a/gpu/src/GrGpu.cpp
+++ b/gpu/src/GrGpu.cpp
@@ -31,8 +31,7 @@
 #define DEBUG_INVAL_START_IDX -1
 
 GrGpu::GrGpu()
-    : f8bitPaletteSupport(false)
-    , fContext(NULL)
+    : fContext(NULL)
     , fVertexPool(NULL)
     , fIndexPool(NULL)
     , fVertexPoolUseCnt(0)