gn format // (the rest, except mojo)

Excluded mojo because I think that needs to happen on the other side.

At gn --version = 306668 for which roll is in CQ.

R=brettw@chromium.org
TBR=scherkus@chromium.org
BUG=348474

Review URL: https://codereview.chromium.org/774353003

Cr-Original-Commit-Position: refs/heads/master@{#306708}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 34fb7e5919ed42dc800acf3961fe6a2bf9e7d6eb
diff --git a/BUILD.gn b/BUILD.gn
index 23a52ae..779e163 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -7,9 +7,9 @@
     "xdisplaycheck.cc",
   ]
 
-  configs += [
-    "//build/config/linux:x11"
-  ]
+  configs += [ "//build/config/linux:x11" ]
 
-  deps = [ "//build/config/sanitizers:deps" ]
+  deps = [
+    "//build/config/sanitizers:deps",
+  ]
 }