Split GrDrawBatch and GrVertexBatch into their own files

tests/GrPorterDuffTest.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkXfermode.h"
 #include "Test.h"
 
 #if SK_SUPPORT_GPU
 
 #include "GrContextFactory.h"
 #include "GrContextOptions.h"
 #include "GrGpu.h"
 #include "GrResourceProvider.h"
 #include "GrXferProcessor.h"
-#include "batches/GrBatch.h"
+#include "batches/GrVertexBatch.h"
 #include "effects/GrPorterDuffXferProcessor.h"
 #include "gl/GrGLCaps.h"
 
 ////////////////////////////////////////////////////////////////////////////////
 
 static void test_color_unknown_with_coverage(skiatest::Reporter* reporter, const GrCaps& caps);
 static void test_color_unknown_no_coverage(skiatest::Reporter* reporter, const GrCaps& caps);
 static void test_color_opaque_with_coverage(skiatest::Reporter* reporter, const GrCaps& caps);
 static void test_color_opaque_no_coverage(skiatest::Reporter* reporter, const GrCaps& caps);
 static void test_lcd_coverage(skiatest::Reporter* reporter, const GrCaps& caps);
@@ skipping 979 matching lines @@
                 TEST_ASSERT(!xp->hasSecondaryOutput());
                 xp->getOptimizations(colorPOI, covPOI, false, 0, caps);
                 TEST_ASSERT(!xp->hasSecondaryOutput());
             }
         }
     }
 }
 
 #endif