Remove old test timeout and process waiting function interfaces.

base/process_util.h

Index: base/process_util.h
diff --git a/base/process_util.h b/base/process_util.h
index a9dc0583886215b76263f2b48f3f916983c7c289..6745d4b27a9c7cbd9478dd670c4018a28547d8d8 100644
--- a/base/process_util.h
+++ b/base/process_util.h
@@ -508,9 +508,6 @@ BASE_EXPORT bool WaitForExitCode(ProcessHandle handle, int* exit_code);
 // The caller is always responsible for closing the |handle|.
 BASE_EXPORT bool WaitForExitCodeWithTimeout(ProcessHandle handle,
                                             int* exit_code,
-                                            int64 timeout_milliseconds);
-BASE_EXPORT bool WaitForExitCodeWithTimeout(ProcessHandle handle,
-                                            int* exit_code,
                                             base::TimeDelta timeout);
 
 // Wait for all the processes based on the named executable to exit.  If filter
@@ -519,10 +516,6 @@ BASE_EXPORT bool WaitForExitCodeWithTimeout(ProcessHandle handle,
 // Returns true if all the processes exited, false otherwise.
 BASE_EXPORT bool WaitForProcessesToExit(
     const FilePath::StringType& executable_name,
-    int64 wait_milliseconds,
-    const ProcessFilter* filter);
-BASE_EXPORT bool WaitForProcessesToExit(
-    const FilePath::StringType& executable_name,
     base::TimeDelta wait,
     const ProcessFilter* filter);
 
@@ -530,8 +523,6 @@ BASE_EXPORT bool WaitForProcessesToExit(
 // the given time limit. On Linux |handle| must be a child process, however
 // on Mac and Windows it can be any process.
 BASE_EXPORT bool WaitForSingleProcess(ProcessHandle handle,
-                                      int64 wait_milliseconds);
-BASE_EXPORT bool WaitForSingleProcess(ProcessHandle handle,
                                       base::TimeDelta wait);
 
 // Waits a certain amount of time (can be 0) for all the processes with a given