Revert of Re-land chromeos: Add non-extension renderers to the freezer cgroup

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 9b9c6cd99789958f7e56506fa6bd5543bc79b512..d840d513e6c07d83f94846a9f2c0ee49f1086a2c 100644
--- a/chromeos/dbus/fake_power_manager_client.h
+++ b/chromeos/dbus/fake_power_manager_client.h
@@ -38,8 +38,6 @@
   virtual void AddObserver(Observer* observer) override;
   virtual void RemoveObserver(Observer* observer) override;
   virtual bool HasObserver(const Observer* observer) const override;
-  virtual void SetRenderProcessManagerDelegate(
-      base::WeakPtr<RenderProcessManagerDelegate> delegate) override;
   virtual void DecreaseScreenBrightness(bool allow_off) override;
   virtual void IncreaseScreenBrightness() override;
   virtual void SetScreenBrightnessPercent(
@@ -92,9 +90,6 @@
   // Last projecting state set in SetIsProjecting().
   bool is_projecting_;
 
-  // Delegate for managing power consumption of Chrome's renderer processes.
-  base::WeakPtr<RenderProcessManagerDelegate> render_process_manager_delegate_;
-
   DISALLOW_COPY_AND_ASSIGN(FakePowerManagerClient);
 };