Remove DEV_BUILD option

 Bug: 4346867
 This CL changes it so that debug itself is a "sticky" option unless
 it is a release build

Change-Id: Ib2bac358270aaeb4cd3d828f26ea3947c49fb993
diff --git a/res/xml/debug_preferences.xml b/res/xml/debug_preferences.xml
index 50d4c14..5126b0d 100644
--- a/res/xml/debug_preferences.xml
+++ b/res/xml/debug_preferences.xml
@@ -29,4 +29,51 @@
         android:entryValues="@array/pref_development_ua_values"
         android:defaultValue="0"/>
 
+    <!-- The javascript console is enabled by default when the user has
+         also enabled debug mode by navigating to about:debug. -->
+    <CheckBoxPreference
+        android:key="enable_visual_indicator"
+        android:defaultValue="false"
+        android:title="@string/pref_development_visual_indicator" />
+
+    <CheckBoxPreference
+        android:key="javascript_console"
+        android:defaultValue="true"
+        android:title="@string/pref_development_error_console" />
+
+    <CheckBoxPreference
+        android:key="small_screen"
+        android:defaultValue="false"
+        android:title="@string/pref_development_single_column_rendering" />
+
+    <CheckBoxPreference
+        android:key="wide_viewport"
+        android:defaultValue="true"
+        android:title="@string/pref_development_viewport" />
+
+    <CheckBoxPreference
+        android:key="normal_layout"
+        android:defaultValue="false"
+        android:title="@string/pref_development_normal_rendering" />
+
+    <CheckBoxPreference
+        android:key="enable_tracing"
+        android:defaultValue="false"
+        android:title="@string/pref_development_trace" />
+
+    <CheckBoxPreference
+        android:key="enable_light_touch"
+        android:defaultValue="false"
+        android:title="Enable light touch" />
+
+    <CheckBoxPreference
+        android:key="enable_nav_dump"
+        android:defaultValue="false"
+        android:title="@string/pref_development_nav_dump" />
+
+    <EditTextPreference
+        android:key="js_engine_flags"
+        android:title="@string/js_engine_flags"
+        android:singleLine="true" />
+
 </PreferenceScreen>