Exposing the child process unique ID through the task manager.

chrome/browser/task_manager/task_manager_unittest.cc

Index: chrome/browser/task_manager/task_manager_unittest.cc
diff --git a/chrome/browser/task_manager/task_manager_unittest.cc b/chrome/browser/task_manager/task_manager_unittest.cc
index 43a8ec6b41cfc1316d404fb597e00e8eebb37f8c..4d35fe194019aa70bf70beadd377d8fb8806ea72 100644
--- a/chrome/browser/task_manager/task_manager_unittest.cc
+++ b/chrome/browser/task_manager/task_manager_unittest.cc
@@ -40,6 +40,11 @@ class TestResource : public TaskManager::Resource {
   virtual base::ProcessHandle GetProcess() const {
     return base::GetCurrentProcessHandle();
   }
+  virtual int GetUniqueChildProcessId() const OVERRIDE {
+    // In reality the unique child process ID is not the actual process ID,
+    // but for testing purposes it shouldn't make difference.
+    return static_cast<int>(base::GetCurrentProcId());
+  }
   virtual Type GetType() const { return RENDERER; }
   virtual bool SupportNetworkUsage() const { return false; }
   virtual void SetSupportNetworkUsage() { NOTREACHED(); }