Tighten up content/public DEPS rules using new checkdeps features.

content/public/browser/DEPS

Index: content/public/browser/DEPS
diff --git a/content/public/browser/DEPS b/content/public/browser/DEPS
index 26f874f25b57ccc91be13127db629a9863917e30..f0df6c2d0a9cdfd33c070f305840c9a4e81b3841 100644
--- a/content/public/browser/DEPS
+++ b/content/public/browser/DEPS
@@ -1,11 +1,16 @@
 include_rules = [
-  "+content/browser/browser_child_process_host_impl.h",
-  "+content/browser/notification_service_impl.h",
-  "+content/browser/renderer_host/render_view_host_impl.h",
-  "+content/browser/worker_host/worker_service_impl.h",
-
   # TODO(jam): remove
-  "+content/browser/javascript_dialogs.h",
-  "+content/browser/web_contents/web_contents_impl.h",
-  "+content/browser/webui/web_ui.h",
+  "!content/browser/webui/web_ui.h",
 ]
+
+specific_include_rules = {
+  ".*\.cc": [
+    "+content/browser/browser_child_process_host_impl.h",
+    "+content/browser/notification_service_impl.h",
+    "+content/browser/renderer_host/render_view_host_impl.h",
+    "+content/browser/worker_host/worker_service_impl.h",
+
+    # TODO(jam): remove
+    "!content/browser/web_contents/web_contents_impl.h",
+  ],
+}