Update deps in WebKit/public to reflect actual usage

third_party/WebKit/public/BUILD.gn

Index: third_party/WebKit/public/BUILD.gn
diff --git a/third_party/WebKit/public/BUILD.gn b/third_party/WebKit/public/BUILD.gn
index ca750bb3d4f157e6f50918d8d80e5a304c03f1df..70571070902b83be5539d8910c5d92ff0aff48c4 100644
--- a/third_party/WebKit/public/BUILD.gn
+++ b/third_party/WebKit/public/BUILD.gn
@@ -625,6 +625,15 @@ source_set("blink_headers") {
 
   deps = [
     ":generate_mojo_bindings",
+    "//base:base",
+    "//cc:cc",
+    "//cc/paint:paint",
+    "//cc/surfaces:surface_id",
+    "//device/screen_orientation/public/interfaces:interfaces_shared_cpp_sources",
+    "//media/midi:mojo_shared_cpp_sources",
+    "//mojo/public/cpp/bindings:bindings",
+    "//mojo/public/cpp/system:system",
+    "//v8:v8_headers",
   ]
 }
 
@@ -792,6 +801,8 @@ source_set("shared_typemap_traits") {
     "web/ConsoleMessageStructTraits.h",
   ]
   deps = [
+    ":blink_headers",
     ":mojo_bindings_shared__generator",
+    "//mojo/public/cpp/bindings:struct_traits",
   ]
 }