[Code health] Fix gn check for //extensions/browser/api/clipboard

Bug: 1158941
Change-Id: Iac4c4b0c662d556100a908ab4f878237fb810b21
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2611697
Commit-Queue: Evan Stade <estade@chromium.org>
Reviewed-by: Erik Staab <estaab@chromium.org>
Reviewed-by: Devlin <rdevlin.cronin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#841336}

.gn

@@ -94,7 +94,6 @@ no_check_targets = [
   "//extensions/browser/api/bluetooth_socket:*",  # 12 errors
   "//extensions/browser/api/cast_channel:*",  # 3 errors
   "//extensions/browser/api/cec_private:*",  # 4 errors
-  "//extensions/browser/api/clipboard:*",  # 3 errors
   "//extensions/browser/api/declarative:*",  # 20 errors
   "//extensions/browser/api/declarative_content:*",  # 2 errors
   "//extensions/browser/api/declarative_net_request:*",  # 18 errors

extensions/browser/api/BUILD.gn

@@ -134,9 +134,9 @@ source_set("api") {
       "media_perception_private/media_perception_private_api.h",
     ]
 
+    # TODO(crbug/1158984): as above, remove these deps.
     public_deps += [
       "//extensions/browser/api/cec_private",
-      "//extensions/browser/api/clipboard",
       "//extensions/browser/api/diagnostics",
       "//extensions/browser/api/virtual_keyboard",
       "//extensions/browser/api/vpn_provider",
@@ -207,6 +207,10 @@ group("api_implementations") {
     "//extensions/browser/api/virtual_keyboard_private",
     "//extensions/browser/api/web_request",
   ]
+
+  if (is_chromeos_ash) {
+    public_deps += [ "//extensions/browser/api/clipboard" ]
+  }
 }
 
 function_registration("api_registration") {

extensions/browser/api/clipboard/BUILD.gn

@@ -13,7 +13,11 @@ source_set("clipboard") {
     "clipboard_api.h",
   ]
 
-  deps = [ "//extensions/common/api" ]
+  deps = [
+    "//extensions/browser/api",
+    "//extensions/common/api",
+    "//ui/base/clipboard",
+  ]
 
   public_deps = [ "//extensions/browser:browser_sources" ]
 }