Rename *FileIO TaskScheduler worker pools to *Blocking.

ios/web/app/web_main_loop.mm

 // 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.
 
 #include "ios/web/app/web_main_loop.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 22 matching lines @@
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
 namespace web {
 
 namespace {
 
 enum WorkerPoolType : size_t {
   BACKGROUND = 0,
-  BACKGROUND_FILE_IO,
+  BACKGROUND_BLOCKING,
   FOREGROUND,
-  FOREGROUND_FILE_IO,
+  FOREGROUND_BLOCKING,
   WORKER_POOL_COUNT  // Always last.
 };
 
 std::vector<base::SchedulerWorkerPoolParams>
 GetDefaultSchedulerWorkerPoolParams() {
   using StandbyThreadPolicy =
       base::SchedulerWorkerPoolParams::StandbyThreadPolicy;
   using ThreadPriority = base::ThreadPriority;
   std::vector<base::SchedulerWorkerPoolParams> params_vector;
   params_vector.emplace_back(
       "Background", ThreadPriority::BACKGROUND, StandbyThreadPolicy::ONE,
       base::RecommendedMaxNumberOfThreadsInPool(2, 8, 0.1, 0),
       base::TimeDelta::FromSeconds(30));
   params_vector.emplace_back(
-      "BackgroundFileIO", ThreadPriority::BACKGROUND, StandbyThreadPolicy::ONE,
+      "BackgroundBlocking", ThreadPriority::BACKGROUND,
+      StandbyThreadPolicy::ONE,
       base::RecommendedMaxNumberOfThreadsInPool(2, 8, 0.1, 0),
       base::TimeDelta::FromSeconds(30));
   params_vector.emplace_back(
       "Foreground", ThreadPriority::NORMAL, StandbyThreadPolicy::ONE,
       base::RecommendedMaxNumberOfThreadsInPool(3, 8, 0.3, 0),
       base::TimeDelta::FromSeconds(30));
   params_vector.emplace_back(
-      "ForegroundFileIO", ThreadPriority::NORMAL, StandbyThreadPolicy::ONE,
-      base::RecommendedMaxNumberOfThreadsInPool(3, 8, 0.1, 0),
+      "ForegroundBlocking", ThreadPriority::NORMAL, StandbyThreadPolicy::ONE,
+      base::RecommendedMaxNumberOfThreadsInPool(3, 8, 0.3, 0),

[fdoray, 2017/02/16 16:27:40]

0.1 -> 0.3 to match the existing server default config

       base::TimeDelta::FromSeconds(30));
   DCHECK_EQ(WORKER_POOL_COUNT, params_vector.size());
   return params_vector;
 }
 
 // Returns the worker pool index for |traits| defaulting to FOREGROUND or
-// FOREGROUND_FILE_IO on any other priorities based off of worker pools defined
+// FOREGROUND_BLOCKING on any other priorities based off of worker pools defined
 // in GetDefaultSchedulerWorkerPoolParams().
 size_t DefaultBrowserWorkerPoolIndexForTraits(const base::TaskTraits& traits) {
   const bool is_background =
       traits.priority() == base::TaskPriority::BACKGROUND;
   if (traits.may_block() || traits.with_base_sync_primitives())
-    return is_background ? BACKGROUND_FILE_IO : FOREGROUND_FILE_IO;
+    return is_background ? BACKGROUND_BLOCKING : FOREGROUND_BLOCKING;
 
   return is_background ? BACKGROUND : FOREGROUND;
 }
 
 }  // namespace
 
 // The currently-running WebMainLoop.  There can be one or zero.
 // TODO(rohitrao): Desktop uses this to implement
 // ImmediateShutdownAndExitProcess.  If we don't need that functionality, we can
 // remove this.
@@ skipping 243 matching lines @@
   main_thread_.reset(
       new WebThreadImpl(WebThread::UI, base::MessageLoop::current()));
 }
 
 int WebMainLoop::WebThreadsStarted() {
   cookie_notification_bridge_.reset(new CookieNotificationBridge);
   return result_code_;
 }
 
 }  // namespace web