Get 'gn_all' building on iOS

components/BUILD.gn

Index: components/BUILD.gn
diff --git a/components/BUILD.gn b/components/BUILD.gn
index 935c2cfdf529c634d3930098848a34868537bb0f..4a9a57987f2168eb3bcd3af6f0bf74a5a5de7623 100644
--- a/components/BUILD.gn
+++ b/components/BUILD.gn
@@ -4,6 +4,7 @@
 
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
+import("//build_overrides/webrtc.gni")
 import("//testing/test.gni")
 import("//tools/grit/repack.gni")
 
@@ -46,45 +47,26 @@ test("components_unittests") {
   deps = [
     "//base",
     "//base/test:test_support",
-    "//components/autofill/core/browser:unit_tests",
-    "//components/autofill/core/common:unit_tests",
     "//components/bookmarks/browser:unit_tests",
     "//components/bookmarks/managed:unit_tests",
-    "//components/browser_sync/browser:unit_tests",
     "//components/compression:unit_tests",
     "//components/content_settings/core/browser:unit_tests",
     "//components/content_settings/core/common",
     "//components/content_settings/core/common:unit_tests",
     "//components/data_usage/core:unit_tests",
     "//components/dom_distiller/core:unit_tests",
-    "//components/enhanced_bookmarks:unit_tests",
-    "//components/favicon/core:unit_tests",
-    "//components/favicon_base:unit_tests",
     "//components/flags_ui:unit_tests",
-    "//components/gcm_driver:unit_tests",
     "//components/google/core/browser:unit_tests",
-    "//components/history/core/browser:unit_tests",
-    "//components/history/core/common:unit_tests",
-    "//components/invalidation/impl:unit_tests",
     "//components/keyed_service/core:unit_tests",
     "//components/leveldb_proto:unit_tests",
     "//components/metrics:unit_tests",
     "//components/net_log:unit_tests",
     "//components/network_time:unit_tests",
-    "//components/omnibox/browser:unit_tests",
     "//components/open_from_clipboard:unit_tests",
     "//components/os_crypt:unit_tests",
-    "//components/password_manager/core/browser:unit_tests",
-    "//components/password_manager/core/common:unit_tests",
-    "//components/password_manager/sync/browser:unit_tests",
     "//components/proxy_config:unit_tests",
-    "//components/rappor:unit_tests",
-    "//components/search:unit_tests",
-    "//components/search_engines:unit_tests",
     "//components/sessions:unit_tests",
-    "//components/signin/core/browser:unit_tests",
     "//components/suggestions:unit_tests",
-    "//components/sync_driver:unit_tests",
     "//components/syncable_prefs:unit_tests",
     "//components/translate/core/browser:unit_tests",
     "//components/translate/core/common:unit_tests",
@@ -99,16 +81,16 @@ test("components_unittests") {
     "//testing/gtest",
     "//third_party/mojo/src/mojo/edk/embedder:headers",
     "//ui/base",
-    "//ui/gl:test_support",
     "//ui/resources:ui_test_pak",
   ]
 
   if (is_ios) {
-    deps += [
-      "//components/signin/ios/browser:unit_tests",
-      "//components/translate/ios/browser:unit_tests",
-      "//components/webp_transcode:unit_tests",
-    ]
+    deps += [ "//components/translate/ios/browser:unit_tests" ]
+
+    if (target_cpu != "arm") {
+      # TODO(GYP): iOS arm builds of libwebp don't work yet.
+      deps += [ "//components/webp_transcode:unit_tests" ]
+    }
   } else {  # !iOS
     deps += [
       "//components/auto_login_parser:unit_tests",
@@ -174,6 +156,7 @@ test("components_unittests") {
       # These are the deps required by the code in this target.
       "//components/policy:policy_component",
       "//content/test:test_support",
+      "//ui/gl:test_support",
     ]
 
     data_deps = [
@@ -242,6 +225,33 @@ test("components_unittests") {
     ]
   }
 
+  if (!is_ios || ios_use_webrtc) {
+    deps += [
+      "//components/autofill/core/browser:unit_tests",
+      "//components/autofill/core/common:unit_tests",
+      "//components/browser_sync/browser:unit_tests",
+      "//components/enhanced_bookmarks:unit_tests",
+      "//components/favicon/core:unit_tests",
+      "//components/favicon_base:unit_tests",
+      "//components/gcm_driver:unit_tests",
+      "//components/history/core/browser:unit_tests",
+      "//components/history/core/common:unit_tests",
+      "//components/invalidation/impl:unit_tests",
+      "//components/omnibox/browser:unit_tests",
+      "//components/password_manager/core/browser:unit_tests",
+      "//components/password_manager/core/common:unit_tests",
+      "//components/password_manager/sync/browser:unit_tests",
+      "//components/rappor:unit_tests",
+      "//components/search:unit_tests",
+      "//components/signin/core/browser:unit_tests",
+      "//components/sync_driver:unit_tests",
+    ]
+  }
+
+  if (ios_use_webrtc) {
+    deps += [ "//components/signin/ios/browser:unit_tests" ]
+  }
+
   if (toolkit_views) {
     # TODO bug 522654 Enable this when the undefined symbol is fixed in
     # web_modal such that this links.
@@ -436,6 +446,7 @@ test("components_perftests") {
     "//base/test:test_support",
     "//testing/gtest",
     "//testing/perf",
+    "//url",
   ]
   if (!is_ios) {
     deps += [