cc: Unify namespaces for all test files

cc/test/geometry_test_utils.h

Index: cc/test/geometry_test_utils.h
diff --git a/cc/test/geometry_test_utils.h b/cc/test/geometry_test_utils.h
index 92a37c3d8ce0e7c62060d986c1265bd9718e069d..30260c11dfda863714e8279a5023beaf9a096c85 100644
--- a/cc/test/geometry_test_utils.h
+++ b/cc/test/geometry_test_utils.h
@@ -13,7 +13,7 @@ namespace WebKit {
 class WebTransformationMatrix;
 }
 
-namespace WebKitTests {
+namespace cc {
 
 // These are macros instead of functions so that we get useful line numbers where a test failed.
 #define EXPECT_FLOAT_RECT_EQ(expected, actual) \
@@ -70,9 +70,9 @@ void ExpectTransformationMatrixEq(const WebKit::WebTransformationMatrix& expecte
 #define EXPECT_TRANSFORMATION_MATRIX_EQ(expected, actual)            \
     {                                                                \
         SCOPED_TRACE("");                                            \
-        WebKitTests::ExpectTransformationMatrixEq(expected, actual); \
+        cc::ExpectTransformationMatrixEq(expected, actual);          \
     }
 
-} // namespace WebKitTests
+}  // namespace cc
 
 #endif  // CC_TEST_GEOMETRY_TEST_UTILS_H_