Reland the initial attempt to start building ui_base_unittests targets.

build/all.gyp

Index: build/all.gyp
diff --git a/build/all.gyp b/build/all.gyp
index 08d82c1ef9f16dbb3f0f5de5ee03c6ac046797e3..2dbd4fbfc08d01a2372a86c3ca089735266cc5cb 100644
--- a/build/all.gyp
+++ b/build/all.gyp
@@ -55,6 +55,7 @@
             '../mojo/mojo_base.gyp:mojo_system_impl',
             '../mojo/mojo_base.gyp:mojo_system_unittests',
             '../google_apis/google_apis.gyp:google_apis_unittests',
+            '../ui/base/ui_base_tests.gyp:ui_base_unittests',
             '../ui/base/ui_base_tests.gyp:ui_unittests',
             '../ui/ios/ui_ios_tests.gyp:ui_ios_unittests',
             '../ui/gfx/gfx_tests.gyp:gfx_unittests',
@@ -289,6 +290,7 @@
         '../net/net.gyp:net_unittests',
         '../sql/sql.gyp:sql_unittests',
         '../sync/sync.gyp:sync_unit_tests',
+        '../ui/base/ui_base_tests.gyp:ui_base_unittests',
         '../ui/base/ui_base_tests.gyp:ui_unittests',
         '../ui/display/display.gyp:display_unittests',
         '../ui/gfx/gfx_tests.gyp:gfx_unittests',
@@ -789,6 +791,7 @@
             '../tools/android/android_tools.gyp:android_tools',
             '../tools/android/android_tools.gyp:memconsumer',
             '../tools/android/findbugs_plugin/findbugs_plugin.gyp:findbugs_plugin_test',
+            '../ui/base/ui_base_tests.gyp:ui_base_unittests',
             '../ui/base/ui_base_tests.gyp:ui_unittests',
             '../ui/events/events.gyp:events_unittests',
             # Unit test bundles packaged as an apk.
@@ -816,6 +819,7 @@
             '../sql/sql.gyp:sql_unittests_apk',
             '../sync/sync.gyp:sync_unit_tests_apk',
             '../tools/android/heap_profiler/heap_profiler.gyp:heap_profiler_unittests_apk',
+            '../ui/base/ui_base_tests.gyp:ui_base_unittests_apk',
             '../ui/base/ui_base_tests.gyp:ui_unittests_apk',
             '../ui/events/events.gyp:events_unittests_apk',
             '../ui/gfx/gfx_tests.gyp:gfx_unittests_apk',
@@ -882,6 +886,7 @@
             '../third_party/libphonenumber/libphonenumber.gyp:libphonenumber_unittests',
             '../tools/perf/clear_system_cache/clear_system_cache.gyp:*',
             '../tools/telemetry/telemetry.gyp:*',
+            '../ui/base/ui_base_tests.gyp:ui_base_unittests',
             '../ui/base/ui_base_tests.gyp:ui_unittests',
             '../ui/gfx/gfx_tests.gyp:gfx_unittests',
             '../url/url.gyp:url_unittests',
@@ -919,6 +924,7 @@
             '../third_party/libphonenumber/libphonenumber.gyp:libphonenumber_unittests',
             '../tools/perf/clear_system_cache/clear_system_cache.gyp:*',
             '../tools/telemetry/telemetry.gyp:*',
+            '../ui/base/ui_base_tests.gyp:ui_base_unittests',
             '../ui/base/ui_base_tests.gyp:ui_unittests',
             '../ui/gfx/gfx_tests.gyp:gfx_unittests',
             '../url/url.gyp:url_unittests',
@@ -967,6 +973,7 @@
             '../third_party/leveldatabase/leveldatabase.gyp:env_chromium_unittests',
             '../third_party/libaddressinput/libaddressinput.gyp:libaddressinput_unittests',
             '../third_party/libphonenumber/libphonenumber.gyp:libphonenumber_unittests',
+            '../ui/base/ui_base_tests.gyp:ui_base_unittests',
             '../ui/base/ui_base_tests.gyp:ui_unittests',
             '../ui/gfx/gfx_tests.gyp:gfx_unittests',
             '../url/url.gyp:url_unittests',
@@ -1018,6 +1025,7 @@
             '../third_party/libphonenumber/libphonenumber.gyp:libphonenumber_unittests',
             '../tools/perf/clear_system_cache/clear_system_cache.gyp:*',
             '../tools/telemetry/telemetry.gyp:*',
+            '../ui/base/ui_base_tests.gyp:ui_base_unittests',
             '../ui/base/ui_base_tests.gyp:ui_unittests',
             '../ui/events/events.gyp:events_unittests',
             '../ui/gfx/gfx_tests.gyp:gfx_unittests',
@@ -1161,6 +1169,7 @@
                 '../sql/sql.gyp:sql_unittests',
                 '../sync/sync.gyp:sync_unit_tests',
                 '../third_party/widevine/cdm/widevine_cdm.gyp:widevinecdmadapter',
+                '../ui/base/ui_base_tests.gyp:ui_base_unittests',
                 '../ui/base/ui_base_tests.gyp:ui_unittests',
                 '../ui/gfx/gfx_tests.gyp:gfx_unittests',
                 '../ui/views/views.gyp:views_unittests',
@@ -1205,6 +1214,7 @@
             '../remoting/remoting.gyp:remoting_unittests',
             '../ui/app_list/app_list.gyp:*',
             '../ui/aura/aura.gyp:*',
+            '../ui/base/ui_base_tests.gyp:ui_base_unittests',
             '../ui/base/ui_base_tests.gyp:ui_unittests',
             '../ui/compositor/compositor.gyp:*',
             '../ui/display/display.gyp:display_unittests',