[ThreadPool] Complete missed renames

TBR=fdoray@chromium.org

Bug: 951388
Change-Id: Ib11e1538c7a8f02a705c166c00edfbd703ed79db
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1588438Reviewed-by: Gabriel Charette <gab@chromium.org>
Commit-Queue: Gabriel Charette <gab@chromium.org>
Cr-Commit-Position: refs/heads/master@{#654884}

WATCHLISTS

@@ -224,8 +224,8 @@
     'base_scheduler': {
       'filepath': '^base/task/',
     },
-    'base_task_scheduler': {
-      'filepath': '^base/task/task_scheduler',
+    'base_thread_pool': {
+      'filepath': '^base/task/thread_pool',
     },
     'base_win': {
       'filepath': '^base/win',
@@ -1952,9 +1952,9 @@
                        'wfh+watch@chromium.org'],
     'base_memory': ['gavinp+memory@chromium.org'],
     'base_scheduler': ['scheduler-bugs+base@chromium.org'],
-    'base_task_scheduler': ['fdoray+watch@chromium.org',
-                            'gab+watch@chromium.org',
-                            'robliao+watch@chromium.org'],
+    'base_thread_pool': ['fdoray+watch@chromium.org',
+                         'gab+watch@chromium.org',
+                         'robliao+watch@chromium.org'],
     'base_win': ['grt+watch@chromium.org',
                  'robliao+watch@chromium.org',
                  'wfh+watch@chromium.org'],

base/test/scoped_task_environment.h

@@ -323,4 +323,4 @@ class ScopedTaskEnvironment {
 }  // namespace test
 }  // namespace base
 
-#endif  // BASE_TEST_SCOPED_ASYNC_TASK_SCHEDULER_H_
+#endif  // BASE_TEST_SCOPED_TASK_ENVIRONMENT_H_