Revert of [Android] Adding Smart GO/NEXT feature in Chrome

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

Index: content/public/android/java/src/org/chromium/content/browser/input/ImeAdapter.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/input/ImeAdapter.java b/content/public/android/java/src/org/chromium/content/browser/input/ImeAdapter.java
index de5b64a0ab2681a7dfa7b48d56f22b46057a5abe..0dc13ed95d8e0d83b6b02969c7c76234bcb62276 100644
--- a/content/public/android/java/src/org/chromium/content/browser/input/ImeAdapter.java
+++ b/content/public/android/java/src/org/chromium/content/browser/input/ImeAdapter.java
@@ -31,7 +31,6 @@
 import org.chromium.base.VisibleForTesting;
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.JNINamespace;
-import org.chromium.blink_public.web.WebFocusType;
 import org.chromium.blink_public.web.WebInputEventModifier;
 import org.chromium.blink_public.web.WebInputEventType;
 import org.chromium.blink_public.web.WebTextInputMode;
@@ -634,30 +633,16 @@
 
     boolean performEditorAction(int actionCode) {
         if (!isValid()) return false;
-        switch (actionCode) {
-            case EditorInfo.IME_ACTION_NEXT:
-                advanceFocusInForm(WebFocusType.FORWARD);
-                break;
-            case EditorInfo.IME_ACTION_PREVIOUS:
-                advanceFocusInForm(WebFocusType.BACKWARD);
-                break;
-            default:
-                sendSyntheticKeyPress(KeyEvent.KEYCODE_ENTER,
-                        KeyEvent.FLAG_SOFT_KEYBOARD | KeyEvent.FLAG_KEEP_TOUCH_MODE
-                                | KeyEvent.FLAG_EDITOR_ACTION);
-                break;
+        if (actionCode == EditorInfo.IME_ACTION_NEXT) {
+            sendSyntheticKeyPress(KeyEvent.KEYCODE_TAB,
+                    KeyEvent.FLAG_SOFT_KEYBOARD | KeyEvent.FLAG_KEEP_TOUCH_MODE
+                    | KeyEvent.FLAG_EDITOR_ACTION);
+        } else {
+            sendSyntheticKeyPress(KeyEvent.KEYCODE_ENTER,
+                    KeyEvent.FLAG_SOFT_KEYBOARD | KeyEvent.FLAG_KEEP_TOUCH_MODE
+                    | KeyEvent.FLAG_EDITOR_ACTION);
         }
         return true;
-    }
-
-    /**
-     * Advances the focus to next input field in the current form.
-     *
-     * @param focusType indicates whether to advance forward or backward direction.
-     */
-    private void advanceFocusInForm(int focusType) {
-        if (mNativeImeAdapterAndroid == 0) return;
-        nativeAdvanceFocusInForm(mNativeImeAdapterAndroid, focusType);
     }
 
     void notifyUserAction() {
@@ -935,5 +920,4 @@
     private native boolean nativeRequestTextInputStateUpdate(long nativeImeAdapterAndroid);
     private native void nativeRequestCursorUpdate(long nativeImeAdapterAndroid,
             boolean immediateRequest, boolean monitorRequest);
-    private native void nativeAdvanceFocusInForm(long nativeImeAdapterAndroid, int focusType);
 }