Remove windows/mac/ios specific code from //ui

ui/gfx/test/run_all_unittests.cc

Index: ui/gfx/test/run_all_unittests.cc
diff --git a/ui/gfx/test/run_all_unittests.cc b/ui/gfx/test/run_all_unittests.cc
index 80fbe6748bf341ddafe1438a78582973c86d2ffa..65c97d76e1f8ce80c52c36808ec5f106bc161221 100644
--- a/ui/gfx/test/run_all_unittests.cc
+++ b/ui/gfx/test/run_all_unittests.cc
@@ -15,10 +15,6 @@
 #include "ui/gfx/android/gfx_jni_registrar.h"
 #endif
 
-#if defined(OS_MACOSX) && !defined(OS_IOS)
-#include "base/test/mock_chrome_application_mac.h"
-#endif
-
 namespace {
 
 class GfxTestSuite : public base::TestSuite {
@@ -32,10 +28,6 @@ class GfxTestSuite : public base::TestSuite {
 #if defined(OS_ANDROID)
     gfx::android::RegisterJni(base::android::AttachCurrentThread());
 #endif
-
-#if defined(OS_MACOSX) && !defined(OS_IOS)
-    mock_cr_app::RegisterMockCrApp();
-#endif
   }
 
   void Shutdown() override {