[tracing] Add perfetto/tracing to src/DEPS.

New generation of tracing API are implemented in perfetto and as it's a //base's
public dependency, everyone who depends on //base can use them.

Update the src/DEPS, third_party/DEPS and third_party/blink/DEPS to
reflect that.

R=eseckler@chromium.org,haraken@chromium.org

Change-Id: Ifc8c1aee412956169844a29b38f63a2b567f1181
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2679693
Reviewed-by: Eric Seckler <eseckler@chromium.org>
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Commit-Queue: Alexander Timin <altimin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#851750}
GitOrigin-RevId: 7537d896296ebf4c0307ceb75dfa7880c69bfb02

DEPS

@@ -3,6 +3,7 @@ include_rules = [
   '-base',
   '-build',
   '-ipc',
+  '-third_party/perfetto/include/perfetto/tracing',
   '-library_loaders',
   '-testing',
   '-third_party/icu/source/common/unicode',

blink/DEPS

@@ -3,4 +3,6 @@ include_rules = [
     "+base/callback_forward.h",
     "+base/callback_helpers.h",
     "+base/memory/checked_ptr.h",
+    "+base/trace_event",
+    "+third_party/perfetto/include/perfetto/tracing",
 ]