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

content/browser/renderer_host/ime_adapter_android.h

Index: content/browser/renderer_host/ime_adapter_android.h
diff --git a/content/browser/renderer_host/ime_adapter_android.h b/content/browser/renderer_host/ime_adapter_android.h
index 0f1097f6a7e3612839feaa223d1e0894f09fcb81..13072a1e687ab51bf4fee862c58539f9c772b783 100644
--- a/content/browser/renderer_host/ime_adapter_android.h
+++ b/content/browser/renderer_host/ime_adapter_android.h
@@ -38,8 +38,6 @@ class ImeAdapterAndroid {
   void SetComposingText(JNIEnv*, jobject, jstring text, int new_cursor_pos);
   void CommitText(JNIEnv*, jobject, jstring text);
   void AttachImeAdapter(JNIEnv*, jobject java_object);
-  void ReplaceText(JNIEnv*, jobject, jstring text);
-  void ClearFocus(JNIEnv*, jobject);
   void SetEditableSelectionOffsets(JNIEnv*, jobject, int start, int end);
   void SetComposingRegion(JNIEnv*, jobject, int start, int end);
   void DeleteSurroundingText(JNIEnv*, jobject, int before, int after);
@@ -52,6 +50,10 @@ class ImeAdapterAndroid {
   // Called from native -> java
   void CancelComposition();
 
+  // Native methods related to dialog like types
+  void CancelDialog(JNIEnv*, jobject);
+  void ReplaceDateTime(JNIEnv*, jobject, jstring text);
+
  private:
   RenderWidgetHostViewAndroid* rwhva_;
   jobject java_ime_adapter_;