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

chromeos/dbus/power_manager_client.cc

Index: chromeos/dbus/power_manager_client.cc
diff --git a/chromeos/dbus/power_manager_client.cc b/chromeos/dbus/power_manager_client.cc
index 52b69098515d806dfeecc48642ffbb1daa0a3990..4192e0d143fdc891b9f9784b356194d6fdddbb11 100644
--- a/chromeos/dbus/power_manager_client.cc
+++ b/chromeos/dbus/power_manager_client.cc
@@ -82,13 +82,6 @@
     return observers_.HasObserver(observer);
   }
 
-  virtual void SetRenderProcessManagerDelegate(
-      base::WeakPtr<RenderProcessManagerDelegate> delegate) override {
-    DCHECK(!render_process_manager_delegate_)
-        << "There can be only one! ...RenderProcessManagerDelegate";
-    render_process_manager_delegate_ = delegate;
-  }
-
   virtual void DecreaseScreenBrightness(bool allow_off) override {
     dbus::MethodCall method_call(
         power_manager::kPowerManagerInterface,
@@ -541,10 +534,6 @@
     VLOG(1) << "Got " << power_manager::kSuspendDoneSignal << " signal:"
             << " suspend_id=" << proto.suspend_id()
             << " duration=" << duration.InSeconds() << " sec";
-
-    if (render_process_manager_delegate_)
-      render_process_manager_delegate_->SuspendDone();
-
     FOR_EACH_OBSERVER(
         PowerManagerClient::Observer, observers_, SuspendDone(duration));
     base::PowerMonitorDeviceSource::HandleSystemResumed();
@@ -690,9 +679,6 @@
       delay_id = suspend_delay_id_;
     }
 
-    if (render_process_manager_delegate_ && !suspending_from_dark_resume_)
-      render_process_manager_delegate_->SuspendImminent();
-
     dbus::MethodCall method_call(
         power_manager::kPowerManagerInterface, method_name);
     dbus::MessageWriter writer(&method_call);
@@ -748,10 +734,6 @@
 
   // Last state passed to SetIsProjecting().
   bool last_is_projecting_;
-
-  // The delegate used to manage the power consumption of Chrome's renderer
-  // processes.
-  base::WeakPtr<RenderProcessManagerDelegate> render_process_manager_delegate_;
 
   // Note: This should remain the last member so it'll be destroyed and
   // invalidate its weak pointers before any other members are destroyed.
@@ -800,10 +782,6 @@
 
   virtual bool HasObserver(const Observer* observer) const override {
     return observers_.HasObserver(observer);
-  }
-
-  virtual void SetRenderProcessManagerDelegate(
-      base::WeakPtr<RenderProcessManagerDelegate> delegate) override {
   }
 
   virtual void DecreaseScreenBrightness(bool allow_off) override {