Run gn --format over all .gn files

cc/blink/BUILD.gn

Index: cc/blink/BUILD.gn
diff --git a/cc/blink/BUILD.gn b/cc/blink/BUILD.gn
index 4ee8862a9ae46479a6c5e06166dcb9c85f77c662..a501f5e642acc89926d1c265f69b3911924c06a1 100644
--- a/cc/blink/BUILD.gn
+++ b/cc/blink/BUILD.gn
@@ -90,13 +90,13 @@ if (!is_mac) {
       ":blink",
       "//base/test:test_support",
       "//base/third_party/dynamic_annotations",
+      "//cc",
+      "//cc:test_support",
       "//skia",
       "//testing/gtest",
       "//third_party/WebKit/public:blink",
-      "//ui/gfx/geometry",
       "//ui/gfx:test_support",
-      "//cc",
-      "//cc:test_support",
+      "//ui/gfx/geometry",
     ]
   }
 }