Add a FieldTrialsView argument to the NetworkEmulationManager ctor.

Change-Id: Ic4acd04aef9e9f6185d045bc300d8dbea50759fd
Bug: b/314891512
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/330001
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Commit-Queue: Jeremy Leconte <jleconte@google.com>
Cr-Commit-Position: refs/heads/main@{#41320}

api/BUILD.gn

@@ -643,6 +643,7 @@ if (rtc_include_tests) {
       "test/create_network_emulation_manager.h",
     ]
     deps = [
+      ":field_trials_view",
       ":network_emulation_manager_api",
       "../test/network:emulated_network",
     ]

api/test/create_network_emulation_manager.cc

@@ -13,15 +13,17 @@
 
 #include <memory>
 
+#include "api/field_trials_view.h"
 #include "test/network/network_emulation_manager.h"
 
 namespace webrtc {
 
 std::unique_ptr<NetworkEmulationManager> CreateNetworkEmulationManager(
     TimeMode time_mode,
-    EmulatedNetworkStatsGatheringMode stats_gathering_mode) {
+    EmulatedNetworkStatsGatheringMode stats_gathering_mode,
+    const FieldTrialsView* field_trials) {
   return std::make_unique<test::NetworkEmulationManagerImpl>(
-      time_mode, stats_gathering_mode);
+      time_mode, stats_gathering_mode, field_trials);
 }
 
 }  // namespace webrtc

api/test/create_network_emulation_manager.h

@@ -13,6 +13,7 @@
 
 #include <memory>
 
+#include "api/field_trials_view.h"
 #include "api/test/network_emulation_manager.h"
 
 namespace webrtc {
@@ -21,7 +22,8 @@ namespace webrtc {
 std::unique_ptr<NetworkEmulationManager> CreateNetworkEmulationManager(
     TimeMode time_mode = TimeMode::kRealTime,
     EmulatedNetworkStatsGatheringMode stats_gathering_mode =
-        EmulatedNetworkStatsGatheringMode::kDefault);
+        EmulatedNetworkStatsGatheringMode::kDefault,
+    const FieldTrialsView* field_trials = nullptr);
 
 }  // namespace webrtc
 

test/network/network_emulation_manager.cc

@@ -13,6 +13,7 @@
 #include <algorithm>
 #include <memory>
 
+#include "api/field_trials_view.h"
 #include "api/units/time_delta.h"
 #include "api/units/timestamp.h"
 #include "call/simulated_network.h"
@@ -30,10 +31,12 @@ constexpr uint32_t kMinIPv4Address = 0xC0A80000;
 // uint32_t representation of 192.168.255.255 address
 constexpr uint32_t kMaxIPv4Address = 0xC0A8FFFF;
 
-std::unique_ptr<TimeController> CreateTimeController(TimeMode mode) {
+std::unique_ptr<TimeController> CreateTimeController(
+    TimeMode mode,
+    const FieldTrialsView* field_trials) {
   switch (mode) {
     case TimeMode::kRealTime:
-      return std::make_unique<RealTimeController>();
+      return std::make_unique<RealTimeController>(field_trials);
     case TimeMode::kSimulated:
       // Using an offset of 100000 to get nice fixed width and readable
       // timestamps in typical test scenarios.
@@ -46,10 +49,11 @@ std::unique_ptr<TimeController> CreateTimeController(TimeMode mode) {
 
 NetworkEmulationManagerImpl::NetworkEmulationManagerImpl(
     TimeMode mode,
-    EmulatedNetworkStatsGatheringMode stats_gathering_mode)
+    EmulatedNetworkStatsGatheringMode stats_gathering_mode,
+    const FieldTrialsView* field_trials)
     : time_mode_(mode),
       stats_gathering_mode_(stats_gathering_mode),
-      time_controller_(CreateTimeController(mode)),
+      time_controller_(CreateTimeController(mode, field_trials)),
       clock_(time_controller_->GetClock()),
       next_node_id_(1),
       next_ip4_address_(kMinIPv4Address),

test/network/network_emulation_manager.h

@@ -18,6 +18,7 @@
 #include <vector>
 
 #include "api/array_view.h"
+#include "api/field_trials_view.h"
 #include "api/test/network_emulation_manager.h"
 #include "api/test/simulated_network.h"
 #include "api/test/time_controller.h"
@@ -38,7 +39,8 @@ class NetworkEmulationManagerImpl : public NetworkEmulationManager {
  public:
   NetworkEmulationManagerImpl(
       TimeMode mode,
-      EmulatedNetworkStatsGatheringMode stats_gathering_mode);
+      EmulatedNetworkStatsGatheringMode stats_gathering_mode,
+      const FieldTrialsView* field_trials = nullptr);
   ~NetworkEmulationManagerImpl();
 
   EmulatedNetworkNode* CreateEmulatedNode(BuiltInNetworkBehaviorConfig config,

test/time_controller/BUILD.gn

@@ -24,6 +24,7 @@ rtc_library("time_controller") {
   ]
 
   deps = [
+    "../../api:field_trials_view",
     "../../api:sequence_checker",
     "../../api:time_controller",
     "../../api/task_queue",

test/time_controller/real_time_controller.cc

@@ -9,6 +9,7 @@
  */
 #include "test/time_controller/real_time_controller.h"
 
+#include "api/field_trials_view.h"
 #include "api/task_queue/default_task_queue_factory.h"
 #include "rtc_base/null_socket_server.h"
 
@@ -30,8 +31,8 @@ class MainThread : public rtc::Thread {
   CurrentThreadSetter current_setter_;
 };
 }  // namespace
-RealTimeController::RealTimeController()
-    : task_queue_factory_(CreateDefaultTaskQueueFactory()),
+RealTimeController::RealTimeController(const FieldTrialsView* field_trials)
+    : task_queue_factory_(CreateDefaultTaskQueueFactory(field_trials)),
       main_thread_(std::make_unique<MainThread>()) {
   main_thread_->SetName("Main", this);
 }

test/time_controller/real_time_controller.h

@@ -13,6 +13,7 @@
 #include <functional>
 #include <memory>
 
+#include "api/field_trials_view.h"
 #include "api/task_queue/task_queue_factory.h"
 #include "api/test/time_controller.h"
 #include "api/units/time_delta.h"
@@ -21,7 +22,7 @@
 namespace webrtc {
 class RealTimeController : public TimeController {
  public:
-  RealTimeController();
+  RealTimeController(const FieldTrialsView* field_trials = nullptr);
 
   Clock* GetClock() override;
   TaskQueueFactory* GetTaskQueueFactory() override;