Implement ui/gfx/geometry StructTraits unit tests

ui/gfx/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 
 if (is_android) {
   import("//build/config/android/config.gni")
   import("//build/config/android/rules.gni")
@@ skipping 798 matching lines @@
     libs = [
       "d2d1.lib",
       "d3d10_1.lib",
       "imm32.lib",
       "oleacc.lib",
     ]
   }
 
   if (!is_ios) {
     deps += [
-      "mojo:test_interfaces",
       "//mojo/edk/system",
       "//mojo/public/cpp/bindings",
+      "//ui/gfx/geometry/mojo:unit_test",
+      "//ui/gfx/mojo:test_interfaces",
     ]
   }
 }
 
 if (is_android) {
   generate_jni("gfx_jni_headers") {
     sources = [
       "../android/java/src/org/chromium/ui/gfx/BitmapHelper.java",
       "../android/java/src/org/chromium/ui/gfx/DeviceDisplayInfo.java",
       "../android/java/src/org/chromium/ui/gfx/ViewConfigurationHelper.java",
     ]
     jni_package = "gfx"
   }
 }