create GrTestUtils.h, move some common functions into it

src/gpu/effects/GrDistanceFieldGeoProc.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrDistanceFieldGeoProc.h"
 #include "GrFontAtlasSizes.h"
 #include "GrInvariantOutput.h"
@@ skipping 265 matching lines @@
         SkShader::kMirror_TileMode,
     };
     SkShader::TileMode tileModes[] = {
         kTileModes[random->nextULessThan(SK_ARRAY_COUNT(kTileModes))],
         kTileModes[random->nextULessThan(SK_ARRAY_COUNT(kTileModes))],
     };
     GrTextureParams params(tileModes, random->nextBool() ? GrTextureParams::kBilerp_FilterMode :
                                                            GrTextureParams::kNone_FilterMode);
 
     return GrDistanceFieldA8TextGeoProc::Create(GrRandomColor(random),
-                                                GrProcessorUnitTest::TestMatrix(random),
+                                                GrTest::TestMatrix(random),
                                                 textures[texIdx], params,
 #ifdef SK_GAMMA_APPLY_TO_A8
                                                 random->nextF(),
 #endif
                                                 random->nextBool() ?
                                                     kSimilarity_DistanceFieldEffectFlag : 0,
                                                 random->nextBool());
 }
 
 ///////////////////////////////////////////////////////////////////////////////
@@ skipping 224 matching lines @@
         SkShader::kMirror_TileMode,
     };
     SkShader::TileMode tileModes[] = {
         kTileModes[random->nextULessThan(SK_ARRAY_COUNT(kTileModes))],
         kTileModes[random->nextULessThan(SK_ARRAY_COUNT(kTileModes))],
     };
     GrTextureParams params(tileModes, random->nextBool() ? GrTextureParams::kBilerp_FilterMode 
                                                          : GrTextureParams::kNone_FilterMode);
 
     return GrDistanceFieldPathGeoProc::Create(GrRandomColor(random),
-                                              GrProcessorUnitTest::TestMatrix(random),
+                                              GrTest::TestMatrix(random),
                                               textures[texIdx],
                                               params,
         random->nextBool() ? kSimilarity_DistanceFieldEffectFlag : 0, random->nextBool());
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 struct DistanceFieldLCDBatchTracker {
     GrGPInput fInputColorType;
     GrColor fColor;
@@ skipping 269 matching lines @@
         kTileModes[random->nextULessThan(SK_ARRAY_COUNT(kTileModes))],
         kTileModes[random->nextULessThan(SK_ARRAY_COUNT(kTileModes))],
     };
     GrTextureParams params(tileModes, random->nextBool() ? GrTextureParams::kBilerp_FilterMode :
                            GrTextureParams::kNone_FilterMode);
     DistanceAdjust wa = { 0.0f, 0.1f, -0.1f };
     uint32_t flags = kUseLCD_DistanceFieldEffectFlag;
     flags |= random->nextBool() ? kUniformScale_DistanceFieldEffectMask : 0;
     flags |= random->nextBool() ? kBGR_DistanceFieldEffectFlag : 0;
     return GrDistanceFieldLCDTextGeoProc::Create(GrRandomColor(random),
-                                                 GrProcessorUnitTest::TestMatrix(random),
+                                                 GrTest::TestMatrix(random),
                                                  textures[texIdx], params,
                                                  wa,
                                                  flags);
 }