cc: Unify namespaces for all test files

cc/test/geometry_test_utils.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/test/geometry_test_utils.h"
 
 #include <public/WebTransformationMatrix.h>
 
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gfx/transform.h"
 
-namespace WebKitTests {
+namespace cc {
 
 // NOTE: even though transform data types use double precision, we only check
 // for equality within single-precision error bounds because many transforms
 // originate from single-precision data types such as quads/rects/etc.
 
 void ExpectTransformationMatrixEq(const WebKit::WebTransformationMatrix& expected,
                                   const WebKit::WebTransformationMatrix& actual)
 {
     EXPECT_FLOAT_EQ((expected).m11(), (actual).m11());
     EXPECT_FLOAT_EQ((expected).m12(), (actual).m12());
@@ skipping 27 matching lines @@
     EXPECT_FLOAT_EQ((expected).matrix().getDouble(0, 2), (actual).matrix().getDouble(0, 2));
     EXPECT_FLOAT_EQ((expected).matrix().getDouble(1, 2), (actual).matrix().getDouble(1, 2));
     EXPECT_FLOAT_EQ((expected).matrix().getDouble(2, 2), (actual).matrix().getDouble(2, 2));
     EXPECT_FLOAT_EQ((expected).matrix().getDouble(3, 2), (actual).matrix().getDouble(3, 2));
     EXPECT_FLOAT_EQ((expected).matrix().getDouble(0, 3), (actual).matrix().getDouble(0, 3));
     EXPECT_FLOAT_EQ((expected).matrix().getDouble(1, 3), (actual).matrix().getDouble(1, 3));
     EXPECT_FLOAT_EQ((expected).matrix().getDouble(2, 3), (actual).matrix().getDouble(2, 3));
     EXPECT_FLOAT_EQ((expected).matrix().getDouble(3, 3), (actual).matrix().getDouble(3, 3));
 }
 
-} // namespace WebKitTests
+}  // namespace cc