Don't clobber initial transform with SetMatrix.

tests/RecordOptsTest.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "Test.h"
+#include "RecordTestUtils.h"
 
 #include "SkRecord.h"
 #include "SkRecordOpts.h"
 #include "SkRecorder.h"
 #include "SkRecords.h"
-
 #include "SkXfermode.h"
 
 static const int W = 1920, H = 1080;
 
-// If the command we're reading is a U, set ptr to it, otherwise set it to NULL.
-template <typename U>
-struct ReadAs {
-    ReadAs() : ptr(NULL), type(SkRecords::Type(~0)) {}
-
-    const U* ptr;
-    SkRecords::Type type;
-
-    void operator()(const U& r) { ptr = &r; type = U::kType; }
-
-    template <typename T>
-    void operator()(const T&) { type = U::kType; }
-};
-
-// Assert that the ith command in record is of type T, and return it.
-template <typename T>
-static const T* assert_type(skiatest::Reporter* r, const SkRecord& record, unsigned index) {
-    ReadAs<T> reader;
-    record.visit<void>(index, reader);
-    REPORTER_ASSERT(r, T::kType == reader.type);
-    REPORTER_ASSERT(r, NULL != reader.ptr);
-    return reader.ptr;
-}
-
 DEF_TEST(RecordOpts_Culling, r) {
     SkRecord record;
     SkRecorder recorder(SkRecorder::kWriteOnly_Mode, &record, W, H);
 
     recorder.drawRect(SkRect::MakeWH(1000, 10000), SkPaint());
 
     recorder.pushCull(SkRect::MakeWH(100, 100));
         recorder.drawRect(SkRect::MakeWH(10, 10), SkPaint());
         recorder.drawRect(SkRect::MakeWH(30, 30), SkPaint());
         recorder.pushCull(SkRect::MakeWH(5, 5));
@@ skipping 207 matching lines @@
     // SaveLayer/Restore removed: we can fold in the alpha!
     recorder.saveLayer(NULL, &goodLayerPaint);
         recorder.drawRect(draw, goodDrawPaint);
     recorder.restore();
     assert_savelayer_restore(r, &record, 15, true);
 
     const SkRecords::DrawRect* drawRect = assert_type<SkRecords::DrawRect>(r, record, 16);
     REPORTER_ASSERT(r, drawRect != NULL);
     REPORTER_ASSERT(r, drawRect->paint.getColor() == 0x03020202);
 }