Move chrome.usb to //extensions

extensions/extensions.gyp

Index: extensions/extensions.gyp
diff --git a/extensions/extensions.gyp b/extensions/extensions.gyp
index 4411dae608a6e0b134f1efabcbab1f3f43743168..faaa42bcf556b1e854137ea71f54cb98016a50a2 100644
--- a/extensions/extensions.gyp
+++ b/extensions/extensions.gyp
@@ -221,6 +221,7 @@
       'type': 'static_library',
       'dependencies': [
         '../components/components.gyp:keyed_service_content',
+        '../components/components.gyp:usb_service',
         '../content/content.gyp:content_browser',
         '../skia/skia.gyp:skia',
         '../third_party/leveldatabase/leveldatabase.gyp:leveldatabase',
@@ -292,6 +293,10 @@
         'browser/api/storage/weak_unlimited_settings_storage.h',
         'browser/api/test/test_api.cc',
         'browser/api/test/test_api.h',
+        'browser/api/usb/usb_api.cc',
+        'browser/api/usb/usb_api.h',
+        'browser/api/usb/usb_device_resource.cc',
+        'browser/api/usb/usb_device_resource.h',
         'browser/api_activity_monitor.h',
         'browser/app_sorting.h',
         'browser/blacklist_state.h',
@@ -405,6 +410,9 @@
             'browser/browser_context_keyed_service_factories.cc',
             'browser/browser_context_keyed_service_factories.h',
           ],
+          'dependencies!': [
+            '../components/components.gyp:usb_service',
+          ],
         }],
       ],
       # Disable c4267 warnings until we fix size_t to int truncations.