[chromeos] New PowerManagerClient observer to collect power data.

chromeos/dbus/fake_dbus_thread_manager.cc

Index: chromeos/dbus/fake_dbus_thread_manager.cc
diff --git a/chromeos/dbus/fake_dbus_thread_manager.cc b/chromeos/dbus/fake_dbus_thread_manager.cc
index 29752b80676e4cb389e49c6b5f353e28130191d1..7ef4b52bc4554ccd1e171c29cdb4b9e758d1bd0c 100644
--- a/chromeos/dbus/fake_dbus_thread_manager.cc
+++ b/chromeos/dbus/fake_dbus_thread_manager.cc
@@ -25,6 +25,7 @@
 #include "chromeos/dbus/fake_system_clock_client.h"
 #include "chromeos/dbus/fake_update_engine_client.h"
 #include "chromeos/dbus/ibus/mock_ibus_client.h"
+#include "chromeos/dbus/power_data_collector.h"
 #include "chromeos/dbus/power_policy_controller.h"
 
 namespace chromeos {
@@ -51,6 +52,8 @@ FakeDBusThreadManager::FakeDBusThreadManager()
     fake_power_manager_client_(new FakePowerManagerClient),
     fake_update_engine_client_(new FakeUpdateEngineClient),
     ibus_bus_(NULL) {
+  power_data_collector_.reset(
+      new PowerDataCollector(fake_power_manager_client_.get()));
   power_policy_controller_.reset(
       new PowerPolicyController(this, fake_power_manager_client_.get()));
 }
@@ -205,6 +208,11 @@ FakeDBusThreadManager::GetPowerPolicyController() {
   return power_policy_controller_.get();
 }
 
+PowerDataCollector*
+FakeDBusThreadManager::GetPowerDataCollector() {
+  return power_data_collector_.get();
+}
+
 SessionManagerClient*
     FakeDBusThreadManager::GetSessionManagerClient() {
   return fake_session_manager_client_.get();