Adding components to dependencies on iOS.

components/favicon/core/BUILD.gn

Index: components/favicon/core/BUILD.gn
diff --git a/components/favicon/core/BUILD.gn b/components/favicon/core/BUILD.gn
index 485d813f685a153d571e81cb50c7a07375bf024a..0dc633cb264a24267a99b6c7b90a8305b8f06a39 100644
--- a/components/favicon/core/BUILD.gn
+++ b/components/favicon/core/BUILD.gn
@@ -4,9 +4,6 @@
 
 source_set("core") {
   sources = [
-    "fallback_icon_client.h",
-    "fallback_icon_service.cc",
-    "fallback_icon_service.h",
     "favicon_client.h",
     "favicon_driver.cc",
     "favicon_driver.h",
@@ -36,6 +33,13 @@ source_set("core") {
     "//ui/gfx",
     "//url",
   ]
+  if (!is_ios) {

[blundell, 2017/03/22 10:29:09]

FYI, these files should just be moved to //components/favicon/content. I'll do
that when I have some free cycles.

In general it merits a second look if you're inserting a !is_ios block in a
//components/foo/core/BUILD.gn file, since the purpose of //components/foo/core
is precisely to share code between iOS and other platforms.

+    sources += [
+      "fallback_icon_client.h",
+      "fallback_icon_service.cc",
+      "fallback_icon_service.h",
+    ]
+  }
 }
 
 source_set("unit_tests") {