Revert of Sync more GN unit tests with GYP.

components/suggestions/BUILD.gn

Index: components/suggestions/BUILD.gn
diff --git a/components/suggestions/BUILD.gn b/components/suggestions/BUILD.gn
index 389a19bb10e87caf4a49e153245a48087f95b843..58291765f4860dc76e827c1c4fc11738f6b6787b 100644
--- a/components/suggestions/BUILD.gn
+++ b/components/suggestions/BUILD.gn
@@ -2,7 +2,7 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-source_set("suggestions") {
+static_library("suggestions") {
   sources = [
     "blacklist_store.cc",
     "blacklist_store.h",
@@ -21,18 +21,16 @@
     "suggestions_utils.h",
   ]
 
-  public_deps = [
+  deps = [
     "//base",
+    "//components/keyed_service/core",
+    "//components/pref_registry",
     "//components/suggestions/proto",
+    "//components/variations",
+    "//components/variations/net",
     "//net",
     "//ui/gfx",
     "//url",
-  ]
-  deps = [
-    "//components/keyed_service/core",
-    "//components/pref_registry",
-    "//components/variations",
-    "//components/variations/net",
   ]
 
   if (is_ios) {
@@ -41,18 +39,3 @@
     sources += [ "image_encoder.cc" ]
   }
 }
-
-source_set("unit_tests") {
-  testonly = true
-  sources = [
-    "blacklist_store_unittest.cc",
-    "image_manager_unittest.cc",
-    "suggestions_service_unittest.cc",
-    "suggestions_store_unittest.cc",
-  ]
-  deps = [
-    ":suggestions",
-    "//testing/gmock",
-    "//testing/gtest",
-  ]
-}