Move ui.gyp into ui/base/ directory.

ui/aura/aura.gyp

Index: ui/aura/aura.gyp
diff --git a/ui/aura/aura.gyp b/ui/aura/aura.gyp
index 5a1660886a26ee02d6438d0f8b6948207e1143ea..22703ea6f93da574036720db175f0b6b5e1a8978 100644
--- a/ui/aura/aura.gyp
+++ b/ui/aura/aura.gyp
@@ -16,12 +16,12 @@
         '../../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
         '../../gpu/gpu.gyp:gpu',
         '../../skia/skia.gyp:skia',
+        '../base/ui_base.gyp:ui_base',
         '../compositor/compositor.gyp:compositor',
         '../events/events.gyp:events',
         '../events/events.gyp:events_base',
         '../gfx/gfx.gyp:gfx',
         '../gfx/gfx.gyp:gfx_geometry',
-        '../ui.gyp:ui',
       ],
       'defines': [
         'AURA_IMPLEMENTATION',
@@ -146,13 +146,13 @@
       'dependencies': [
         '../../skia/skia.gyp:skia',
         '../../testing/gtest.gyp:gtest',
+        '../base/ui_base.gyp:ui_base',
         '../compositor/compositor.gyp:compositor_test_support',
         '../events/events.gyp:events',
         '../events/events.gyp:events_base',
         '../events/events.gyp:events_test_support',
         '../gfx/gfx.gyp:gfx',
         '../gfx/gfx.gyp:gfx_geometry',
-        '../ui.gyp:ui',
         '../ui_unittests.gyp:ui_test_support',
         'aura',
       ],
@@ -199,12 +199,12 @@
         '../../skia/skia.gyp:skia',
         '../../third_party/icu/icu.gyp:icui18n',
         '../../third_party/icu/icu.gyp:icuuc',
+        '../base/ui_base.gyp:ui_base',
         '../compositor/compositor.gyp:compositor',
         '../compositor/compositor.gyp:compositor_test_support',
         '../events/events.gyp:events',
         '../gfx/gfx.gyp:gfx',
         '../gfx/gfx.gyp:gfx_geometry',
-        '../ui.gyp:ui',
         'aura',
         'aura_test_support',
       ],
@@ -225,12 +225,12 @@
         '../../skia/skia.gyp:skia',
         '../../third_party/icu/icu.gyp:icui18n',
         '../../third_party/icu/icu.gyp:icuuc',
+        '../base/ui_base.gyp:ui_base',
         '../compositor/compositor.gyp:compositor',
         '../compositor/compositor.gyp:compositor_test_support',
         '../events/events.gyp:events',
         '../gfx/gfx.gyp:gfx',
         '../gfx/gfx.gyp:gfx_geometry',
-        '../ui.gyp:ui',
         'aura',
         'aura_test_support',
       ],
@@ -248,6 +248,7 @@
         '../../base/base.gyp:test_support_base',
         '../../skia/skia.gyp:skia',
         '../../testing/gtest.gyp:gtest',
+        '../base/ui_base.gyp:ui_base',
         '../compositor/compositor.gyp:compositor',
         '../compositor/compositor.gyp:compositor_test_support',
         '../events/events.gyp:events',
@@ -255,7 +256,6 @@
         '../gfx/gfx.gyp:gfx',
         '../gfx/gfx.gyp:gfx_geometry',
         '../gl/gl.gyp:gl',
-        '../ui.gyp:ui',
         '../ui_unittests.gyp:ui_test_support',
         'aura_test_support',
         'aura',