Use WebCore:DateTimeChooser for date/time form types instead of considering them text fields.

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index b56a17eb6b246ed3da4a9dcc1eb18b42a781c1c4..e36f23ab16d444589805542695f2ab097fbd7508 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -97,6 +97,7 @@
 #include "content/renderer/renderer_accessibility.h"
 #include "content/renderer/renderer_accessibility_complete.h"
 #include "content/renderer/renderer_accessibility_focus_only.h"
+#include "content/renderer/renderer_date_time_picker_impl.h"
 #include "content/renderer/renderer_webapplicationcachehost_impl.h"
 #include "content/renderer/renderer_webcolorchooser_impl.h"
 #include "content/renderer/speech_recognition_dispatcher.h"
@@ -123,6 +124,8 @@
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDOMEvent.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDOMMessageEvent.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDataSource.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebDateTimeChooserCompletion.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebDateTimeChooserParams.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebElement.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFileChooserParams.h"
@@ -6282,6 +6285,15 @@ void RenderViewImpl::LaunchAndroidContentIntent(const GURL& intent,
   if (!intent.is_empty())
     Send(new ViewHostMsg_StartContentIntent(routing_id_, intent));
 }
+
+bool RenderViewImpl::openDateTimeChooser(
+    const WebKit::WebDateTimeChooserParams& params,
+    WebKit::WebDateTimeChooserCompletion* completion) {
+  date_time_picker_client_.reset(
+      new RendererDateTimePickerImpl(this, params, completion));
+  return date_time_picker_client_->Open();
+}
+
 #endif
 
 void RenderViewImpl::OnAsyncFileOpened(