Enable "gn check" for //third_party/blink/renderer/platform/scheduler

- Add missing dependencies
- Allow circular includes with renderer/platform:platform
- Expose renderer/platform/heap:heap to scheduler

Bug: 800764
Change-Id: I49a1182125023c65876294e0f4e848f41908b0ae
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2394901
Commit-Queue: Kent Tamura <tkent@chromium.org>
Reviewed-by: Takuto Ikuta <tikuta@chromium.org>
Cr-Commit-Position: refs/heads/master@{#804810}

.gn

@@ -275,7 +275,6 @@ no_check_targets = [
   "//third_party/blink/renderer/platform/instrumentation:*",  # 13 errors
   "//third_party/blink/renderer/platform/loader:*",  # 180 errors
   "//third_party/blink/renderer/platform/network:*",  # 15 errors
-  "//third_party/blink/renderer/platform/scheduler:*",  # 45 errors
   "//third_party/blink/renderer/platform:*",  # 72 errors
 
   "//third_party/breakpad:*",  # 34 errors

third_party/blink/renderer/platform/BUILD.gn

@@ -1559,8 +1559,10 @@ component("platform") {
 
   include_dirs = []
 
-  allow_circular_includes_from =
-      [ "//third_party/blink/renderer/platform/blob" ]
+  allow_circular_includes_from = [
+    "//third_party/blink/renderer/platform/blob",
+    "//third_party/blink/renderer/platform/scheduler",
+  ]
 
   public_deps = [
     ":blink_platform_public_deps",
@@ -1801,6 +1803,7 @@ static_library("test_support") {
     "//testing/gtest:gtest",
     "//testing/perf",
     "//third_party/blink/renderer/platform/blob:test_support",
+    "//third_party/blink/renderer/platform/scheduler:test_support",
   ]
 
   deps = [
@@ -1814,7 +1817,6 @@ static_library("test_support") {
     "//third_party/blink/renderer/platform/heap:test_support",
     "//third_party/blink/renderer/platform/loader:test_support",
     "//third_party/blink/renderer/platform/network:test_support",
-    "//third_party/blink/renderer/platform/scheduler:test_support",
   ]
 
   if (is_win) {

third_party/blink/renderer/platform/heap/BUILD.gn

@@ -117,6 +117,11 @@ blink_platform_sources("heap") {
     configs -= [ "//build/config/compiler:default_optimization" ]
     configs += [ "//build/config/compiler:optimize_max" ]
   }
+
+  visibility = [
+    "//third_party/blink/renderer/platform:platform",
+    "//third_party/blink/renderer/platform/scheduler:scheduler",
+  ]
 }
 
 source_set("test_support") {

third_party/blink/renderer/platform/scheduler/BUILD.gn

@@ -177,6 +177,7 @@ blink_platform_sources("scheduler") {
     "//services/metrics/public/cpp:ukm_builders",
     "//services/metrics/public/mojom",
     "//third_party/blink/renderer/platform:make_platform_generated",
+    "//third_party/blink/renderer/platform/heap:heap",
     "//third_party/blink/renderer/platform/instrumentation",
     "//third_party/blink/renderer/platform/wtf",
     "//v8",
@@ -205,7 +206,9 @@ source_set("test_support") {
     "//mojo/public/cpp/bindings",
     "//skia",
     "//testing/gmock",
+    "//third_party/blink/public:test_headers",
     "//third_party/blink/public/mojom:mojom_platform_blink_headers",
+    "//third_party/blink/renderer/platform:platform",
   ]
 
   configs += [ "//third_party/blink/renderer/platform:blink_platform_config" ]
@@ -249,9 +252,11 @@ source_set("unit_tests") {
   deps = [
     "//base",
     "//base/test:test_support",
+    "//components/ukm:test_support",
     "//testing/gmock",
     "//testing/gtest",
     "//third_party/blink/public:test_support",
+    "//third_party/googletest:gmock",
   ]
 
   configs += [ "//third_party/blink/renderer/platform:blink_platform_config" ]
@@ -285,6 +290,7 @@ source_set("scheduler_fuzzer_tests") {
 
     deps += [
       ":sequence_manager_test_description_proto",
+      "//third_party/blink/renderer/platform:platform",
       "//third_party/libprotobuf-mutator",
     ]
   }
@@ -308,7 +314,9 @@ fuzzer_test("sequence_manager_fuzzer") {
 
   deps = [
     ":sequence_manager_test_description_proto",
+    "//base/test:test_support",
     "//third_party/blink/renderer/platform:blink_fuzzer_test_support",
+    "//third_party/blink/renderer/platform:platform",
     "//third_party/blink/renderer/platform:test_support",
     "//third_party/libprotobuf-mutator",
   ]