[scheduler] Rename core/scheduler to core/scheduler_integration_tests

We're renaming core/scheduler to core/scheduler_integration_tests
because the new name more fully reflects the purpose of its contents,
and distinguishes it from modules/scheduler which contains the
experimental postTask API.

Bug: 979017
Change-Id: I0d2956a0e51e5661c29cc015abf8a68052cd0540
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1729061Reviewed-by: Alexander Timin <altimin@chromium.org>
Reviewed-by: Nate Chapin <japhet@chromium.org>
Commit-Queue: Scott Haseley <shaseley@chromium.org>
Cr-Commit-Position: refs/heads/master@{#684065}

third_party/blink/renderer/core/BUILD.gn

@@ -1504,11 +1504,11 @@ jumbo_source_set("unit_tests") {
     "paint/video_painter_test.cc",
     "paint/view_painter_test.cc",
     "resize_observer/resize_observer_test.cc",
-    "scheduler/frame_scheduler_test.cc",
-    "scheduler/frame_throttling_test.cc",
-    "scheduler/scheduler_affecting_features_test.cc",
-    "scheduler/throttling_test.cc",
-    "scheduler/virtual_time_test.cc",
+    "scheduler_integration_tests/frame_scheduler_test.cc",
+    "scheduler_integration_tests/frame_throttling_test.cc",
+    "scheduler_integration_tests/scheduler_affecting_features_test.cc",
+    "scheduler_integration_tests/throttling_test.cc",
+    "scheduler_integration_tests/virtual_time_test.cc",
     "script/document_modulator_impl_test.cc",
     "script/dynamic_module_resolver_test.cc",
     "script/layered_api_test.cc",

third_party/blink/renderer/core/scheduler/frame_scheduler_test.cc → third_party/blink/renderer/core/scheduler_integration_tests/frame_scheduler_test.cc

@@ -2,11 +2,11 @@
 // Use of this source code if governed by a BSD-style license that can be
 // found in LICENSE file.
 
+#include "third_party/blink/renderer/platform/scheduler/public/frame_scheduler.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/blink/renderer/core/frame/web_local_frame_impl.h"
 #include "third_party/blink/renderer/core/testing/sim/sim_request.h"
 #include "third_party/blink/renderer/core/testing/sim/sim_test.h"
-#include "third_party/blink/renderer/platform/scheduler/public/frame_scheduler.h"
 
 using testing::ElementsAre;
 

third_party/blink/renderer/core/scheduler/throttling_test.cc → third_party/blink/renderer/core/scheduler_integration_tests/throttling_test.cc

@@ -12,8 +12,8 @@
 #include "third_party/blink/renderer/platform/testing/runtime_enabled_features_test_helpers.h"
 #include "third_party/blink/renderer/platform/testing/unit_test_helpers.h"
 
-using testing::ElementsAre;
 using testing::AnyOf;
+using testing::ElementsAre;
 
 namespace blink {
 
@@ -23,9 +23,7 @@ class DisableBackgroundThrottlingIsRespectedTest
  public:
   DisableBackgroundThrottlingIsRespectedTest()
       : ScopedTimerThrottlingForBackgroundTabsForTest(false) {}
-  void SetUp() override {
-    SimTest::SetUp();
-  }
+  void SetUp() override { SimTest::SetUp(); }
 };
 
 TEST_F(DisableBackgroundThrottlingIsRespectedTest,