[ios] Adds GoogleLogoService to help with fetching doodles.

ios/chrome/browser/BUILD.gn

Index: ios/chrome/browser/BUILD.gn
diff --git a/ios/chrome/browser/BUILD.gn b/ios/chrome/browser/BUILD.gn
index 4071cfd3f064bff952b7fd03508b2add211ee9ec..22c3b56acf3558974d80378cccbd5c6af2bd47e7 100644
--- a/ios/chrome/browser/BUILD.gn
+++ b/ios/chrome/browser/BUILD.gn
@@ -188,6 +188,10 @@ source_set("browser") {
     "geolocation/omnibox_geolocation_local_state.mm",
     "google/google_brand.h",
     "google/google_brand.mm",
+    "google/google_logo_service.h",
+    "google/google_logo_service.mm",
+    "google/google_logo_service_factory.h",
+    "google/google_logo_service_factory.mm",
     "google/google_url_tracker_client_impl.cc",
     "google/google_url_tracker_client_impl.h",
     "google/google_url_tracker_factory.cc",
@@ -644,6 +648,7 @@ source_set("browser") {
     "//components/resources",
     "//components/search",
     "//components/search_engines",
+    "//components/search_provider_logos",
     "//components/security_interstitials/core",
     "//components/security_state",
     "//components/sessions",