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

chromeos/dbus/power_manager_client.h

Index: chromeos/dbus/power_manager_client.h
diff --git a/chromeos/dbus/power_manager_client.h b/chromeos/dbus/power_manager_client.h
index f79b5ec21c7b5574ca23aff7be04052eb830080c..b68800271e47dc5da09db949409674e3a8d1adfa 100644
--- a/chromeos/dbus/power_manager_client.h
+++ b/chromeos/dbus/power_manager_client.h
@@ -9,7 +9,6 @@
 
 #include "base/basictypes.h"
 #include "base/callback.h"
-#include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
 #include "chromeos/chromeos_export.h"
 #include "chromeos/dbus/dbus_client.h"
@@ -103,27 +102,6 @@
   virtual void RemoveObserver(Observer* observer) = 0;
   virtual bool HasObserver(const Observer* observer) const = 0;
 
-  // Interface for managing the power consumption of renderer processes.
-  class RenderProcessManagerDelegate {
-   public:
-    virtual ~RenderProcessManagerDelegate() {}
-
-    // Called when a suspend attempt is imminent but after all registered
-    // observers have reported readiness to suspend.  This is only called for
-    // suspends from the fully powered on state and not for suspends from dark
-    // resume.
-    virtual void SuspendImminent() = 0;
-
-    // Called when a previously announced suspend attempt has completed but
-    // before observers are notified about it.
-    virtual void SuspendDone() = 0;
-  };
-
-  // Sets the PowerManagerClient's RenderProcessManagerDelegate.  There can only
-  // be one delegate.
-  virtual void SetRenderProcessManagerDelegate(
-      base::WeakPtr<RenderProcessManagerDelegate> delegate) = 0;
-
   // Decreases the screen brightness. |allow_off| controls whether or not
   // it's allowed to turn off the back light.
   virtual void DecreaseScreenBrightness(bool allow_off) = 0;