TabManager: Set OOM scores via a new debugd interface on ChromeOS.

chromeos/dbus/fake_debug_daemon_client.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROMEOS_DBUS_FAKE_DEBUG_DAEMON_CLIENT_H_
 #define CHROMEOS_DBUS_FAKE_DEBUG_DAEMON_CLIENT_H_
 
 #include <stdint.h>
+#include <sys/types.h>
 
+#include <map>
+#include <string>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "chromeos/dbus/debug_daemon_client.h"
 
 namespace chromeos {
 
 // The DebugDaemonClient implementation used on Linux desktop,
 // which does nothing.
@@ skipping 39 matching lines @@
   void UploadCrashes() override;
   void EnableDebuggingFeatures(
       const std::string& password,
       const EnableDebuggingCallback& callback) override;
   void QueryDebuggingFeatures(
       const QueryDevFeaturesCallback& callback) override;
   void RemoveRootfsVerification(
       const EnableDebuggingCallback& callback) override;
   void WaitForServiceToBeAvailable(
       const WaitForServiceToBeAvailableCallback& callback) override;
+  void SetOomScoreAdj(const std::map<pid_t, int32_t>& pid_to_oom_score_adj,
+                      const SetOomScoreAdjCallback& callback) override;
 
   // Sets debugging features mask for testing.
   virtual void SetDebuggingFeaturesStatus(int featues_mask);
 
   // Changes the behavior of WaitForServiceToBeAvailable(). This method runs
   // pending callbacks if is_available is true.
   void SetServiceIsAvailable(bool is_available);
 
  private:
   int featues_mask_;
 
   bool service_is_available_;
   std::vector<WaitForServiceToBeAvailableCallback>
       pending_wait_for_service_to_be_available_callbacks_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeDebugDaemonClient);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_DBUS_FAKE_DEBUG_DAEMON_CLIENT_H_