[tracing] directly use memory-infra from blink -> base

third_party/WebKit/Source/platform/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 import("//third_party/WebKit/Source/build/scripts/scripts.gni")
 import("//third_party/WebKit/Source/config.gni")
 import("//third_party/WebKit/Source/platform/platform.gni")
 import("//third_party/WebKit/Source/platform/platform_generated.gni")
@@ skipping 365 matching lines @@
 
     configs += [
       "//third_party/WebKit/Source/wtf:wtf_config",
       "//third_party/WebKit/Source:config",
     ]
 
     deps = [
       ":blink_common",
       ":platform",
       ":test_support",
-      "//base",
+      "//base",  # There is probably a better place to add this dependency, this is eazy-lazy.
       "//base/allocator",
       "//base/test:test_support",
       "//skia",
       "//testing/gmock",
       "//testing/gtest",
       "//third_party/harfbuzz-ng",
       "//third_party/WebKit/Source/wtf",
       "//third_party/WebKit/Source/wtf:test_support",
       "//url",
     ]
@@ skipping 26 matching lines @@
 }
 
 if (current_cpu == "x86" || current_cpu == "x64") {
   source_set("blink_x86_sse") {
     sources = blink_platform_sse_files
     deps = [
       ":blink_common",
     ]
   }
 }