Fix Task Manager to correctly display network usage of plug-in processes.

chrome/common/child_process_info.h

Index: chrome/common/child_process_info.h
diff --git a/chrome/common/child_process_info.h b/chrome/common/child_process_info.h
index 4d5b721f670a568cfc23c6d93b41d1fd61a6b936..b083ea52111d0c200bf190f38c1e867d89fbd768 100644
--- a/chrome/common/child_process_info.h
+++ b/chrome/common/child_process_info.h
@@ -68,6 +68,9 @@ class ChildProcessInfo {
   // Getter to the process handle.
   base::ProcessHandle handle() const { return process_.handle(); }
 
+  // Getter to the process ID.
+  int pid() const { return process_.pid(); }
+
   // The unique identifier for this child process. This identifier is NOT a
   // process ID, and will be unique for all types of child process for
   // one run of the browser.