Sanitize checkdeps-checked DEPS a bit.

chrome/DEPS

Index: chrome/DEPS
diff --git a/chrome/DEPS b/chrome/DEPS
index 1fe3cbd4a0be53ba51f6f08ceccaf48b723d6832..1c86deee36bd94e54cd8b4093875c68ef9f33f4a 100644
--- a/chrome/DEPS
+++ b/chrome/DEPS
@@ -19,43 +19,14 @@ include_rules = [
 
   # Allow inclusion of WebKit API files.
   "+third_party/WebKit/WebKit/chromium",
-
-  # Allow inclusion of the appcache library.
   "+webkit/appcache",
-
-  # Allow inclusion of the blob library.
   "+webkit/blob",
-
-  # Allow inclusion of the database library.
   "+webkit/database",
-
-  # Allow inclusion of the fileapi library.
   "+webkit/fileapi",
 
-  # Allow Apple code ImageAndTextCell.
-  "+third_party/apple",
-
-  # Allow inclusion of Mozilla interface headers.
-  "+third_party/mozilla",
-
-  # Allow inclusion of NPAPI interface headers.
-  "+third_party/npapi",
-
-  # Allow inclusion of tcmalloc header.
-  "+third_party/tcmalloc",
-
-  # Allow usage of Google Toolbox for Mac.
-  "+third_party/GTM",
-
-  # Allow usage of the libjingle library.
-  "+third_party/libjingle",
-
-  # Our Skia extensions.
-  "+skia/ext",
-
-  # On Linux, we include some breakpad headers
-  "+breakpad/linux",
-
-  # On Linux, the zygote needs to access sandbox headers
-  "+sandbox/linux"
+  # Allow inclusion of third-party code:
+  "+third_party/mozilla",   # Mozilla interface headers.
+  "+third_party/npapi",     # NPAPI interface headers.
+  "+third_party/tcmalloc",  # tcmallo
+  "+third_party/GTM",       # Google Toolbox for Mac.
 ]