Remove non-standardize key code names from event_sender.

third_party/WebKit/LayoutTests/fast/forms/calendar-picker/calendar-picker-datetimelocal-with-step.html

Index: third_party/WebKit/LayoutTests/fast/forms/calendar-picker/calendar-picker-datetimelocal-with-step.html
diff --git a/third_party/WebKit/LayoutTests/fast/forms/calendar-picker/calendar-picker-datetimelocal-with-step.html b/third_party/WebKit/LayoutTests/fast/forms/calendar-picker/calendar-picker-datetimelocal-with-step.html
index 763c8af2f44a860550b9fed4832eca3d2dd0224f..ac36d3d64cb930a852f81712930993ed2d909de7 100644
--- a/third_party/WebKit/LayoutTests/fast/forms/calendar-picker/calendar-picker-datetimelocal-with-step.html
+++ b/third_party/WebKit/LayoutTests/fast/forms/calendar-picker/calendar-picker-datetimelocal-with-step.html
@@ -21,7 +21,7 @@ function test1() {
     shouldBeEqualToString('availableDayCells()', '2012-10-28,2012-11-01,2012-11-04,2012-11-08,2012-11-11,2012-11-15,2012-11-18,2012-11-22,2012-11-25,2012-11-29');
 
     // Close popup
-    eventSender.keyDown('escape');
+    eventSender.keyDown('Escape');
     waitUntilClosing(test1AfterClose);
 }
 
@@ -34,7 +34,7 @@ function test2() {
     shouldBeEqualToString('availableDayCells()', '2012-10-30,2012-11-02,2012-11-06,2012-11-09,2012-11-13,2012-11-16,2012-11-20,2012-11-23,2012-11-27,2012-11-30');
 
     // Close popup
-    eventSender.keyDown('escape');
+    eventSender.keyDown('Escape');
     waitUntilClosing(test2AfterClose);
 }
 
@@ -50,7 +50,7 @@ function test3() {
     shouldBeEqualToString('availableDayCells()', '2012-11-16,2012-11-20,2012-11-23,2012-11-27,2012-11-30');
 
     // Close popup
-    eventSender.keyDown('escape');
+    eventSender.keyDown('Escape');
     waitUntilClosing(test3AfterClose);
 }