Reformat all gn files in /ui/events/blink.

`gn format` recently changed its formatting behavior
for deps, source, and a few other elements when they
are assigned (with =) single-element lists to be consistent
with the formatting of updates (with +=) with single-element.

Now that we've rolled in a GN binary with the change,
reformat all files so that people don't get presubmit
warnings due to this.

This CL was uploaded by git cl split.

R=nzolghadr@chromium.org

Bug: 1041419
Change-Id: I86adbcbd780e75ef47856090bca1e42945691977
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1995847
Auto-Submit: Nico Weber <thakis@chromium.org>
Reviewed-by: Navid Zolghadr <nzolghadr@chromium.org>
Commit-Queue: Navid Zolghadr <nzolghadr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#731701}

ui/events/blink/BUILD.gn

@@ -13,9 +13,7 @@ jumbo_component("blink_features") {
     "blink_features.h",
   ]
 
-  deps = [
-    "//base",
-  ]
+  deps = [ "//base" ]
 }
 
 jumbo_source_set("blink") {
@@ -70,9 +68,7 @@ jumbo_source_set("blink") {
     "web_input_event_traits.h",
   ]
 
-  public_deps = [
-    ":blink_features",
-  ]
+  public_deps = [ ":blink_features" ]
 
   deps = [
     "//cc:cc",