ChromeOs Power Emulation Impl

chromeos/dbus/fake_power_manager_client.h

Index: chromeos/dbus/fake_power_manager_client.h
diff --git a/chromeos/dbus/fake_power_manager_client.h b/chromeos/dbus/fake_power_manager_client.h
index d6cd0429f975b899ec2a64fc8f8158dce391a83d..1b9536c0aff2ce96de0c81e05f9a792ab3bfe310 100644
--- a/chromeos/dbus/fake_power_manager_client.h
+++ b/chromeos/dbus/fake_power_manager_client.h
@@ -7,10 +7,9 @@
 
 #include <string>
 
-#include "base/basictypes.h"
-#include "base/macros.h"
 #include "base/observer_list.h"
 #include "chromeos/dbus/power_manager/policy.pb.h"
+#include "chromeos/dbus/power_manager/power_supply_properties.pb.h"
 #include "chromeos/dbus/power_manager/suspend.pb.h"
 #include "chromeos/dbus/power_manager_client.h"
 
@@ -24,7 +23,12 @@ class FakePowerManagerClient : public PowerManagerClient {
   FakePowerManagerClient();
   ~FakePowerManagerClient() override;
 
+  const base::ObserverList<Observer>& observers() { return observers_; }
   power_manager::PowerManagementPolicy& policy() { return policy_; }
+  const power_manager::PowerSupplyProperties& props() { return props_; }
+  int num_request_notify_observers() const {
+    return num_request_notify_observers_;
+  }
   int num_request_restart_calls() const { return num_request_restart_calls_; }
   int num_request_shutdown_calls() const { return num_request_shutdown_calls_; }
   int num_set_policy_calls() const { return num_set_policy_calls_; }
@@ -67,17 +71,31 @@ class FakePowerManagerClient : public PowerManagerClient {
   // Notifies observers that the power button has been pressed or released.
   void SendPowerButtonEvent(bool down, const base::TimeTicks& timestamp);
 
+  // Updates the PowerSupplyProperties and notifies observers of its changes.
+  void UpdatePowerProperties(
+      int battery_percent,
+      bool is_calculating_battery_time,
+      power_manager::PowerSupplyProperties::BatteryState battery_state,
+      power_manager::PowerSupplyProperties::ExternalPower external_power);
+
  private:
   // Callback that will be run by asynchronous suspend delays to report
   // readiness.
   void HandleSuspendReadiness();
 
+  // Notifies |observers_| that |props_| has been updated.
+  void NotifyObservers();
+
   base::ObserverList<Observer> observers_;
 
   // Last policy passed to SetPolicy().
   power_manager::PowerManagementPolicy policy_;
 
+  // Power status received from the power manager.
+  power_manager::PowerSupplyProperties props_;
+
   // Number of times that various methods have been called.
+  int num_request_notify_observers_;

[oshima, 2015/07/09 00:15:39]

Please move this to the test observer in unit tests. That way, the test can
verify that the observers are really called.

   int num_request_restart_calls_;
   int num_request_shutdown_calls_;
   int num_set_policy_calls_;