Migrate more functions from MathUtil to gfx::Transform

cc/render_pass_unittest.cc

 // Copyright 2012 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 "cc/render_pass.h"
 
 #include "cc/checkerboard_draw_quad.h"
 #include "cc/math_util.h"
 #include "cc/test/geometry_test_utils.h"
 #include "cc/test/render_pass_test_common.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebFilterOperations.h"
 #include "third_party/skia/include/effects/SkBlurImageFilter.h"
 #include "ui/gfx/transform.h"
+#include "ui/gfx/transform_util.h"
 
 using cc::TestRenderPass;
 
 namespace cc {
 namespace {
 
 struct RenderPassSize {
     // If you add a new field to this class, make sure to add it to the copy() tests.
     RenderPass::Id m_id;
     QuadList m_quadList;
     SharedQuadStateList m_sharedQuadStateList;
     gfx::Transform m_transformToRootTarget;
     gfx::Rect m_outputRect;
     gfx::RectF m_damageRect;
     bool m_hasTransparentBackground;
     bool m_hasOcclusionFromOutsideTargetSurface;
 };
 
 TEST(RenderPassTest, copyShouldBeIdenticalExceptIdAndQuads)
 {
     RenderPass::Id id(3, 2);
     gfx::Rect outputRect(45, 22, 120, 13);
-    gfx::Transform transformToRoot = MathUtil::createGfxTransform(1, 0.5, 0.5, -0.5, -1, 0);
+    gfx::Transform transformToRoot = gfx::CreateGfxTransform(1, 0.5, 0.5, -0.5, -1, 0);
     gfx::Rect damageRect(56, 123, 19, 43);
     bool hasTransparentBackground = true;
     bool hasOcclusionFromOutsideTargetSurface = true;
 
     scoped_ptr<TestRenderPass> pass = TestRenderPass::Create();
     pass->SetAll(id,
                  outputRect,
                  damageRect,
                  transformToRoot,
                  hasTransparentBackground,
@@ skipping 17 matching lines @@
     EXPECT_RECT_EQ(pass->damage_rect, copy->damage_rect);
     EXPECT_EQ(pass->has_transparent_background, copy->has_transparent_background);
     EXPECT_EQ(pass->has_occlusion_from_outside_target_surface, copy->has_occlusion_from_outside_target_surface);
     EXPECT_EQ(0u, copy->quad_list.size());
 
     EXPECT_EQ(sizeof(RenderPassSize), sizeof(RenderPass));
 }
 
 }  // namespace
 }  // namespace cc