Fix transforms to be preconcat like skia so multiple transforms are accumulat...

gfx/canvas_direct2d_unittest.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <windows.h>
 #include <uxtheme.h>
 #include <vsstyle.h>
 #include <vssym32.h>
 
 #include "base/command_line.h"
@@ skipping 163 matching lines @@
   canvas.FillRectInt(SK_ColorBLUE, 0, 0, 500, 500);
   canvas.Restore();
 
   // ... then translate, clip and fill again relative to the new origin.
   canvas.Save();
   canvas.TranslateInt(150, 150);
   canvas.ClipRectInt(10, 10, 110, 110);
   canvas.FillRectInt(SK_ColorRED, 0, 0, 500, 500);
   canvas.Restore();
 }
+
+TEST(CanvasDirect2D, ClipRectWithScale) {
+  TestWindow window;
+  gfx::CanvasDirect2D canvas(window.rt());
+
+  // Repeat the same rendering as in ClipRect...
+  canvas.Save();
+  canvas.FillRectInt(SK_ColorGREEN, 0, 0, 500, 500);
+  canvas.ClipRectInt(20, 20, 120, 120);
+  canvas.FillRectInt(SK_ColorBLUE, 0, 0, 500, 500);
+  canvas.Restore();
+
+  // ... then translate and scale, clip and fill again relative to the new
+  // origin.
+  canvas.Save();
+  canvas.TranslateInt(150, 150);
+  canvas.ScaleInt(2, 2);
+  canvas.ClipRectInt(10, 10, 110, 110);
+  canvas.FillRectInt(SK_ColorRED, 0, 0, 500, 500);
+  canvas.Restore();
+}