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Unified Diff: chromeos/dbus/power_manager_client.h

Issue 738993002: Re-land chromeos: Add non-extension renderers to the freezer cgroup (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Freeze renderers after all observers have reported ready Created 6 years, 1 month ago
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Index: chromeos/dbus/power_manager_client.h
diff --git a/chromeos/dbus/power_manager_client.h b/chromeos/dbus/power_manager_client.h
index b68800271e47dc5da09db949409674e3a8d1adfa..d240376413616d113f4b6f2695c52abc2f82dd86 100644
--- a/chromeos/dbus/power_manager_client.h
+++ b/chromeos/dbus/power_manager_client.h
@@ -9,6 +9,7 @@
#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"
@@ -102,6 +103,26 @@ class CHROMEOS_EXPORT PowerManagerClient : public DBusClient {
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.
Daniel Erat 2014/11/19 23:41:26 mind also documenting how this interacts with dark
Chirantan Ekbote 2014/11/20 00:59:37 Done.
+ virtual void SuspendImminent() = 0;
+
+ // Called when a previously announced suspend attempt has completed. This
+ // method is called before observers are notified that the suspend has
+ // completed.
+ 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;

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