diff -r 000000000000 -r 6474c204b198 ipc/chromium/src/chrome/common/child_process_info.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ipc/chromium/src/chrome/common/child_process_info.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,105 @@
+// Copyright (c) 2009 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 CHROME_COMMON_CHILD_PROCESS_INFO_H_
+#define CHROME_COMMON_CHILD_PROCESS_INFO_H_
+
+#include <string>
+
+#include "base/process.h"
+
+// Holds information about a child process.
+class ChildProcessInfo {
+ public:
+  enum ProcessType {
+    BROWSER_PROCESS,
+    RENDER_PROCESS,
+    PLUGIN_PROCESS,
+    WORKER_PROCESS,
+    UNKNOWN_PROCESS
+  };
+
+  // Returns the type of the process.
+  ProcessType type() const { return type_; }
+
+  // Returns the name of the process.  i.e. for plugins it might be Flash, while
+  // for workers it might be the domain that it's from.
+  std::wstring name() const { return name_; }
+
+  // Getter to the process handle.
+  base::ProcessHandle handle() const { return process_.handle(); }
+
+  virtual int GetProcessId() const {
+    if (pid_ != -1)
+      return pid_;
+
+    pid_ = process_.pid();
+    return pid_;
+  }
+  void SetProcessBackgrounded() const { process_.SetProcessBackgrounded(true); }
+
+  // Returns an English name of the process type, should only be used for non
+  // user-visible strings, or debugging pages like about:memory.
+  static std::wstring GetTypeNameInEnglish(ProcessType type);
+
+  // Returns a localized title for the child process.  For example, a plugin
+  // process would be "Plug-in: Flash" when name is "Flash".
+  std::wstring GetLocalizedTitle() const;
+
+  ChildProcessInfo(const ChildProcessInfo& original) {
+    type_ = original.type_;
+    name_ = original.name_;
+    process_ = original.process_;
+    pid_ = original.pid_;
+  }
+
+  ChildProcessInfo& operator=(const ChildProcessInfo& original) {
+    if (&original != this) {
+      type_ = original.type_;
+      name_ = original.name_;
+      process_ = original.process_;
+      pid_ = original.pid_;
+    }
+    return *this;
+  }
+
+  virtual ~ChildProcessInfo();
+
+  // We define the < operator so that the ChildProcessInfo can be used as a key
+  // in a std::map.
+  bool operator <(const ChildProcessInfo& rhs) const {
+    if (process_.handle() != rhs.process_.handle())
+      return process_ .handle() < rhs.process_.handle();
+    return false;
+  }
+
+  bool operator ==(const ChildProcessInfo& rhs) const {
+    return process_.handle() == rhs.process_.handle();
+  }
+
+  // Generates a unique channel name for a child renderer/plugin process.
+  // The "instance" pointer value is baked into the channel id.
+  static std::wstring GenerateRandomChannelID(void* instance);
+
+ protected:
+  void set_type(ProcessType type) { type_ = type; }
+  void set_name(const std::wstring& name) { name_ = name; }
+  void set_handle(base::ProcessHandle handle) {
+    process_.set_handle(handle);
+    pid_ = -1;
+  }
+
+  // Derived objects need to use this constructor so we know what type we are.
+  ChildProcessInfo(ProcessType type);
+
+ private:
+  ProcessType type_;
+  std::wstring name_;
+  mutable int pid_;  // Cache of the process id.
+
+  // The handle to the process.
+  mutable base::Process process_;
+};
+
+#endif  // CHROME_COMMON_CHILD_PROCESS_INFO_H_