[WIP][DO NOT LAND] Componentize spellcheck

components/BUILD.gn

Index: components/BUILD.gn
diff --git a/components/BUILD.gn b/components/BUILD.gn
index e1921d16ac2e70bf1cf99b8544d63b646cae9261..d191e5f10753b3753c1d37318e80100d6615febb 100644
--- a/components/BUILD.gn
+++ b/components/BUILD.gn
@@ -142,6 +142,9 @@ test("components_unittests") {
     "//components/variations/service:unit_tests",
     "//components/web_resource:unit_tests",
     "//components/webdata/common:unit_tests",
+    
+    "//components/spellcheck/browser:unit_tests",
+    "//components/spellcheck/renderer:unit_tests",
 
     # Direct dependencies of components/test/run_all_unittests.cc.
     "//components/content_settings/core/common",
@@ -152,6 +155,15 @@ test("components_unittests") {
     "//ui/resources:ui_test_pak",
   ]
 
+
+  if (enable_spellcheck) {
+    deps += [
+      "//components/spellcheck/browser",
+      "//components/spellcheck/common",
+      "//components/spellcheck/renderer",
+    ]
+  }
+
   if (enable_nacl) {
     deps += [ "//components/nacl/browser:unit_tests" ]
   }