Added accurate TouchToMouseMode testing to SplitTap

ui/chromeos/touch_exploration_controller.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/chromeos/touch_exploration_controller.h"
 
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
 #include "ui/aura/client/cursor_client.h"
 #include "ui/aura/window.h"
@@ skipping 484 matching lines @@
     if (current_touch_ids_.size() != 1)
       return EVENT_REWRITE_DISCARD;
 
     // Rewrite at location of last touch exploration.
     rewritten_event->reset(
         new ui::TouchEvent(ui::ET_TOUCH_RELEASED,
                            last_touch_exploration_->location(),
                            initial_press_->touch_id(),
                            event.time_stamp()));
     (*rewritten_event)->set_flags(event.flags());
+    state_ = TOUCH_EXPLORATION;
     EnterTouchToMouseMode();
-    state_ = TOUCH_EXPLORATION;
     VLOG_STATE();
     return ui::EVENT_REWRITE_REWRITTEN;
   }
   NOTREACHED() << "Unexpected event type received: " << event.name();
   return ui::EVENT_REWRITE_CONTINUE;
 }
 
 ui::EventRewriteStatus TouchExplorationController::InWaitForRelease(
     const ui::TouchEvent& event,
     scoped_ptr<ui::Event>* rewritten_event) {
@@ skipping 206 matching lines @@
       return "TWO_TO_ONE_FINGER";
     case PASSTHROUGH:
       return "PASSTHROUGH";
     case WAIT_FOR_RELEASE:
       return "WAIT_FOR_RELEASE";
   }
   return "Not a state";
 }
 
 }  // namespace ui