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

content/public/android/java/src/org/chromium/content/browser/ImeAdapter.java

Index: content/public/android/java/src/org/chromium/content/browser/ImeAdapter.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/ImeAdapter.java b/content/public/android/java/src/org/chromium/content/browser/ImeAdapter.java
index 421dec4cab8acd85ad8b87daf4551675817bbcc8..61d464cdf2bcbcd96a1140c885eca7a221204218 100644
--- a/content/public/android/java/src/org/chromium/content/browser/ImeAdapter.java
+++ b/content/public/android/java/src/org/chromium/content/browser/ImeAdapter.java
@@ -160,12 +160,16 @@ class ImeAdapter {
         mHandler = new Handler();
         mInputDialogContainer = new InputDialogContainer(context,
                 new InputDialogContainer.InputActionDelegate() {
-                    public void clearFocus() {
-                        nativeClearFocus(mNativeImeAdapterAndroid);
-                    }
-                    public void replaceText(String text) {
-                        nativeReplaceText(mNativeImeAdapterAndroid, text);
+
+                    @Override
+                    public void replaceDateTime(String text) {
                         mViewEmbedder.onSetFieldValue();
+                        nativeReplaceDateTime(mNativeImeAdapterAndroid, text);
+                    }
+
+                    @Override
+                    public void cancelDateTimeDialog() {
+                        nativeCancelDialog(mNativeImeAdapterAndroid);
                     }
                 });
     }
@@ -822,9 +826,9 @@ class ImeAdapter {
 
     private native void nativeAttachImeAdapter(int nativeImeAdapterAndroid);
 
-    private native void nativeReplaceText(int nativeImeAdapterAndroid, String text);
+    private native void nativeReplaceDateTime(int nativeImeAdapterAndroid, String text);
 
-    private native void nativeClearFocus(int nativeImeAdapterAndroid);
+    private native void nativeCancelDialog(int nativeImeAdapterAndroid);
 
     private native void nativeSetEditableSelectionOffsets(int nativeImeAdapterAndroid,
             int start, int end);