FBTF: Even more ctor/virtual deinlining.

chrome/test/automation/automation_handle_tracker.cc

Index: chrome/test/automation/automation_handle_tracker.cc
diff --git a/chrome/test/automation/automation_handle_tracker.cc b/chrome/test/automation/automation_handle_tracker.cc
index 5a1e62323a5c9e17bfd0290ecfadaca96323c4ac..ab29c2a27e81d8472b593d18d1c6526d529ac6e5 100644
--- a/chrome/test/automation/automation_handle_tracker.cc
+++ b/chrome/test/automation/automation_handle_tracker.cc
@@ -22,6 +22,8 @@ AutomationResourceProxy::~AutomationResourceProxy() {
     tracker_->Remove(this);
 }
 
+AutomationHandleTracker::AutomationHandleTracker() : channel_(NULL) {}
+
 AutomationHandleTracker::~AutomationHandleTracker() {
   // Tell any live objects that the tracker is going away so they don't try to
   // call us when they are being destroyed.