chromeos: Export SetDisplaySoftwareDimming D-Bus method.

chrome/browser/chromeos/dbus/display_power_service_provider.cc

Index: chrome/browser/chromeos/dbus/display_power_service_provider.cc
diff --git a/chrome/browser/chromeos/dbus/display_power_service_provider.cc b/chrome/browser/chromeos/dbus/display_power_service_provider.cc
index 6b92d44387218aac0eec5bd7315a4ec6d443ba1c..5de5c95dc7eb362dd2c53cd751632c15fab565da 100644
--- a/chrome/browser/chromeos/dbus/display_power_service_provider.cc
+++ b/chrome/browser/chromeos/dbus/display_power_service_provider.cc
@@ -29,6 +29,13 @@ void DisplayPowerServiceProvider::Start(
                  weak_ptr_factory_.GetWeakPtr()),
       base::Bind(&DisplayPowerServiceProvider::OnExported,
                  weak_ptr_factory_.GetWeakPtr()));
+  exported_object->ExportMethod(
+      kLibCrosServiceInterface,
+      kSetDisplaySoftwareDimming,
+      base::Bind(&DisplayPowerServiceProvider::SetDisplaySoftwareDimming,
+                 weak_ptr_factory_.GetWeakPtr()),
+      base::Bind(&DisplayPowerServiceProvider::OnExported,
+                 weak_ptr_factory_.GetWeakPtr()));
 }
 
 void DisplayPowerServiceProvider::OnExported(const std::string& interface_name,
@@ -63,4 +70,18 @@ void DisplayPowerServiceProvider::SetDisplayPower(
   response_sender.Run(dbus::Response::FromMethodCall(method_call));
 }
 
+void DisplayPowerServiceProvider::SetDisplaySoftwareDimming(
+    dbus::MethodCall* method_call,
+    dbus::ExportedObject::ResponseSender response_sender) {
+  dbus::MessageReader reader(method_call);
+  bool dimmed = false;
+  if (reader.PopBool(&dimmed)) {
+    ash::Shell::GetInstance()->SetDimming(dimmed);
+  } else {
+    LOG(ERROR) << "Unable to parse " << kSetDisplaySoftwareDimming
+               << " request";
+  }
+  response_sender.Run(dbus::Response::FromMethodCall(method_call));
+}
+
 }  // namespace chromeos