Ensure Char events sent to pepper indicate the correct timestamp seconds.

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index f68bb2e5666f71404361907fd889992464b5d5cf..9f51a191d50e53e5af5e52b7525c6c78a9581196 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -207,6 +207,7 @@
 #include "third_party/WebKit/public/web/WebUserGestureIndicator.h"
 #include "third_party/WebKit/public/web/WebView.h"
 #include "third_party/WebKit/public/web/WebWidget.h"
+#include "ui/events/base_event_utils.h"
 #include "url/origin.h"
 #include "url/url_constants.h"
 #include "url/url_util.h"
@@ -6463,7 +6464,8 @@ void RenderFrameImpl::HandlePepperImeCommit(const base::string16& text) {
     while (iterator.Advance()) {
       blink::WebKeyboardEvent char_event;
       char_event.type = blink::WebInputEvent::Char;
-      char_event.timeStampSeconds = base::Time::Now().ToDoubleT();
+      char_event.timeStampSeconds =
+          ui::EventTimeStampToSeconds(ui::EventTimeForNow());
       char_event.modifiers = 0;
       char_event.windowsKeyCode = text[i];
       char_event.nativeKeyCode = text[i];