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/src/com/android/browser/BrowserPreferencesPage.java b/src/com/android/browser/BrowserPreferencesPage.java
index 8031005..8302011 100644
--- a/src/com/android/browser/BrowserPreferencesPage.java
+++ b/src/com/android/browser/BrowserPreferencesPage.java
@@ -21,7 +21,6 @@
 import android.app.ActionBar;
 import android.os.Bundle;
 import android.preference.PreferenceActivity;
-import android.preference.PreferenceManager;
 import android.view.MenuItem;
 
 import java.util.List;
@@ -48,8 +47,7 @@
     public void onBuildHeaders(List<Header> target) {
         loadHeadersFromResource(R.xml.preference_headers, target);
 
-        if (BrowserSettings.DEV_BUILD
-                || BrowserSettings.getInstance().isDebugEnabled()) {
+        if (BrowserSettings.getInstance().isDebugEnabled()) {
             Header debug = new Header();
             debug.title = getText(R.string.pref_development_title);
             debug.fragment = DebugPreferencesFragment.class.getName();
diff --git a/src/com/android/browser/BrowserSettings.java b/src/com/android/browser/BrowserSettings.java
index 642fd18..5a022ef 100644
--- a/src/com/android/browser/BrowserSettings.java
+++ b/src/com/android/browser/BrowserSettings.java
@@ -25,6 +25,7 @@
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
+import android.os.Build;
 import android.os.Message;
 import android.preference.PreferenceManager;
 import android.provider.Browser;
@@ -75,8 +76,6 @@
             FROYO_USERAGENT
     };
 
-    public static boolean DEV_BUILD = true;
-
     private static BrowserSettings sInstance;
 
     private Context mContext;
@@ -100,6 +99,10 @@
     private BrowserSettings(Context context) {
         mContext = context;
         mPrefs = PreferenceManager.getDefaultSharedPreferences(mContext);
+        if (Build.VERSION.CODENAME.equals("REL")) {
+            // This is a release build, always startup with debug disabled
+            setDebugEnabled(false);
+        }
         mAutofillHandler = new AutofillHandler(mContext);
         mManagedSettings = new LinkedList<WeakReference<WebSettings>>();
         mWebStorageSizeManager = new WebStorageSizeManager(mContext,
@@ -465,14 +468,14 @@
     // -----------------------------
 
     public boolean isHardwareAccelerated() {
-        if (!isDebugEnabled() && !DEV_BUILD) {
+        if (!isDebugEnabled()) {
             return true;
         }
         return mPrefs.getBoolean(PREF_ENABLE_HARDWARE_ACCEL, true);
     }
 
     public int getUserAgent() {
-        if (!isDebugEnabled() && !DEV_BUILD) {
+        if (!isDebugEnabled()) {
             return 0;
         }
         return Integer.parseInt(mPrefs.getString(PREF_USER_AGENT, "0"));
diff --git a/src/com/android/browser/preferences/DebugPreferencesFragment.java b/src/com/android/browser/preferences/DebugPreferencesFragment.java
index 42b18cc..984c12a 100644
--- a/src/com/android/browser/preferences/DebugPreferencesFragment.java
+++ b/src/com/android/browser/preferences/DebugPreferencesFragment.java
@@ -36,10 +36,6 @@
         // Load the XML preferences file
         addPreferencesFromResource(R.xml.debug_preferences);
 
-        if (BrowserSettings.getInstance().isDebugEnabled()) {
-            addPreferencesFromResource(R.xml.hidden_debug_preferences);
-        }
-
         Preference e = findPreference(PreferenceKeys.PREF_ENABLE_HARDWARE_ACCEL);
         e.setOnPreferenceChangeListener(this);
     }