Revert "Next-word suggestion bit in keyboard settings."

This reverts commit 1ae16dc3db170802d1b38273f477125a2a969d32.

Bug 19596067.

Change-Id: Ie7286acbb70b215d7bd08e271bcf14526b68576f
diff --git a/java/res/values/config-common.xml b/java/res/values/config-common.xml
index be22cce..fb20f7c 100644
--- a/java/res/values/config-common.xml
+++ b/java/res/values/config-common.xml
@@ -20,6 +20,9 @@
 
 <resources>
     <bool name="config_block_potentially_offensive">true</bool>
+    <!-- Default value for next word prediction: after entering a word and a space only, should we
+         look at input history to suggest a hopefully helpful suggestions for the next word? -->
+    <bool name="config_default_next_word_prediction">true</bool>
 
     <integer name="config_delay_in_milliseconds_to_update_shift_state">100</integer>
     <integer name="config_double_space_period_timeout">1100</integer>
diff --git a/java/res/values/strings.xml b/java/res/values/strings.xml
index e4b3883..54579f2 100644
--- a/java/res/values/strings.xml
+++ b/java/res/values/strings.xml
@@ -157,6 +157,11 @@
     <!-- Option to suggest auto correction suggestions very aggressively. Auto-corrects to a word which has even large edit distance from typed word. [CHAR LIMIT=20] -->
     <string name="auto_correction_threshold_mode_very_aggressive">Very aggressive</string>
 
+    <!-- Option to enable using next word suggestions. After the user types a space, with this option on, the keyboard will try to predict the next word. -->
+    <string name="bigram_prediction">Next-word suggestions</string>
+    <!-- Description for "next word suggestion" option. This displays suggestions even when there is no input, based on the previous word. -->
+    <string name="bigram_prediction_summary">Use the previous word in making suggestions</string>
+
     <!-- Option to enable gesture input. The user can input a word by tracing the letters of a word without releasing the finger from the screen. [CHAR LIMIT=30]-->
     <string name="gesture_input">Enable gesture typing</string>
     <!-- Description for "gesture_input" option. The user can input a word by tracing the letters of a word without releasing the finger from the screen. [CHAR LIMIT=65]-->
diff --git a/java/res/xml/prefs_screen_correction.xml b/java/res/xml/prefs_screen_correction.xml
index 284231b..a943dc1 100644
--- a/java/res/xml/prefs_screen_correction.xml
+++ b/java/res/xml/prefs_screen_correction.xml
@@ -65,4 +65,10 @@
         android:summary="@string/use_contacts_dict_summary"
         android:defaultValue="true"
         android:persistent="true" />
+    <CheckBoxPreference
+        android:key="next_word_prediction"
+        android:title="@string/bigram_prediction"
+        android:summary="@string/bigram_prediction_summary"
+        android:defaultValue="true"
+        android:persistent="true" />
 </PreferenceScreen>