Experimental pre-reading optimization to run on perf bots...

Experimental pre-reading optimization to run on perf bots

Pre-reading chrome.dll prior to calling loadlibrary has shown significant
improvement int he startup performance. Temporarily enabling this for 
headless mode so that we can try out the effect on the perf bots.




Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=50386

[slightlyoff, 2010-06-19 01:45:17]

http://codereview.chromium.org/2814019/diff/1/2
File chrome/app/client_util.cc (right):

http://codereview.chromium.org/2814019/diff/1/2#newcode114
chrome/app/client_util.cc:114: if (IsRunningHeadless() ||
InstallUtil::IsChromeFrameProcess()) {
We need to add a check to only do this in the browser process, not the
sub-processes. I was using:

  if (!cmd_line.HasSwitch(switches::kProcessType)) {

[slightlyoff, 2010-06-21 20:53:42]

LGTM