Eliminate ui/ios

ui/gfx/gfx.gyp

Index: ui/gfx/gfx.gyp
diff --git a/ui/gfx/gfx.gyp b/ui/gfx/gfx.gyp
index a7de96e331196e6b935baa633a9385fd12a58a24..84e53d788e2c113b4c4d2d7bd0b2423d5eaed151 100644
--- a/ui/gfx/gfx.gyp
+++ b/ui/gfx/gfx.gyp
@@ -212,6 +212,10 @@
         'image/image_util_ios.mm',
         'interpolated_transform.cc',
         'interpolated_transform.h',
+        'ios/NSString+CrStringDrawing.h',
+        'ios/NSString+CrStringDrawing.mm',
+        'ios/uikit_util.h',
+        'ios/uikit_util.mm',
         'linux_font_delegate.cc',
         'linux_font_delegate.h',
         'mac/coordinate_conversion.h',
@@ -313,12 +317,13 @@
       ],
       'conditions': [
         ['OS=="ios"', {
-          'dependencies': [
-            '<(DEPTH)/ui/ios/ui_ios.gyp:ui_ios',
-          ],
-          # iOS only uses a subset of UI.
-          'sources/': [
-            ['exclude', '^codec/jpeg_codec\\.cc$'],
+          # Linkable dependents need to set the linker flag '-ObjC' in order to
+          # use the categories in this target (e.g. NSString+CrStringDrawing.h).
+          'link_settings': {
+            'xcode_settings': {'OTHER_LDFLAGS': ['-ObjC']},
+          },
+          'sources!': [
+            'codec/jpeg_codec.cc',
           ],
         }, {
           'dependencies': [