Reapply r1633 (which was reverted by r1635), with some additional modifications. Consolidate all timer resolution code to time.h, and always depend on TimeTicks::Now for 1ms resolution.

Review URL: http://codereview.chromium.org/1806

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@1893 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 0 insertions, 10 deletions

diff --git a/base/event_recorder.cc b/base/event_recorder.cc
index 23c092f..ddc7617 100644
--- a/base/event_recorder.cc
+++ b/base/event_recorder.cc
@@ -53,9 +53,6 @@ bool EventRecorder::StartRecording(std::wstring& filename) {
     return false;
   }
 
-  // Set the faster clock, if possible.
-  ::timeBeginPeriod(1);
-
   // Set the recording hook.  JOURNALRECORD can only be used as a global hook.
   journal_hook_ = ::SetWindowsHookEx(WH_JOURNALRECORD, StaticRecordWndProc,
                                      GetModuleHandle(NULL), 0);
@@ -79,8 +76,6 @@ void EventRecorder::StopRecording() {
       return;
     }
 
-    ::timeEndPeriod(1);
-
     DCHECK(file_ != NULL);
     fclose(file_);
     file_ = NULL;
@@ -109,9 +104,6 @@ bool EventRecorder::StartPlayback(std::wstring& filename) {
     return false;
   }
 
-  // Set the faster clock, if possible.
-  ::timeBeginPeriod(1);
-
   // Playback time is tricky.  When playing back, we read a series of events,
   // each with timeouts.  Simply subtracting the delta between two timers will
   // lead to fast playback (about 2x speed).  The API has two events, one
@@ -150,8 +142,6 @@ void EventRecorder::StopPlayback() {
     fclose(file_);
     file_ = NULL;
 
-    ::timeEndPeriod(1);
-
     journal_hook_ = NULL;
     is_playing_ = false;
   }