Split //ios/chrome/browser in multiple targets.

ios/chrome/browser/google/BUILD.gn

Index: ios/chrome/browser/google/BUILD.gn
diff --git a/ios/chrome/browser/google/BUILD.gn b/ios/chrome/browser/google/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..177bd50467591ae6a80fddc407986c8cc0fc6b2d
--- /dev/null
+++ b/ios/chrome/browser/google/BUILD.gn
@@ -0,0 +1,43 @@
+# Copyright 2016 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+source_set("google") {
+  sources = [
+    "google_brand.h",
+    "google_brand.mm",
+    "google_url_tracker_client_impl.cc",
+    "google_url_tracker_client_impl.h",
+    "google_url_tracker_factory.cc",
+    "google_url_tracker_factory.h",
+  ]
+  deps = [
+    "//base",
+    "//components/google/core/browser",
+    "//components/keyed_service/ios",
+    "//components/prefs",
+    "//ios/chrome/browser/browser_state",
+    "//ios/public/provider/chrome/browser",
+  ]
+}
+
+source_set("google_logo") {
+  sources = [
+    "google_logo_service.h",
+    "google_logo_service.mm",
+    "google_logo_service_factory.h",
+    "google_logo_service_factory.mm",
+  ]
+  deps = [
+    "//base",
+    "//components/keyed_service/core",
+    "//components/keyed_service/ios",
+    "//components/search_engines",
+    "//components/search_provider_logos",
+    "//ios/chrome/browser/browser_state",
+    "//ios/chrome/browser/search_engines",
+    "//ios/web",
+    "//net",
+    "//ui/gfx",
+  ]
+}