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android_webview/java/src/org/chromium/android_webview/crash/SynchronizedWebViewCommandLine.java

Index: android_webview/java/src/org/chromium/android_webview/crash/SynchronizedWebViewCommandLine.java
diff --git a/android_webview/java/src/org/chromium/android_webview/crash/SynchronizedWebViewCommandLine.java b/android_webview/java/src/org/chromium/android_webview/crash/SynchronizedWebViewCommandLine.java
index 27331a89ab9eb92b3ea300b7a7a6f0d829377db8..0d8c86747cc0d8f1bf3e06951d91b7e169dc91f7 100644
--- a/android_webview/java/src/org/chromium/android_webview/crash/SynchronizedWebViewCommandLine.java
+++ b/android_webview/java/src/org/chromium/android_webview/crash/SynchronizedWebViewCommandLine.java
@@ -4,6 +4,7 @@
 
 package org.chromium.android_webview.crash;
 
+import org.chromium.android_webview.command_line.CommandLineUtil;
 import org.chromium.base.CommandLine;
 import org.chromium.base.annotations.SuppressFBWarnings;
 
@@ -13,17 +14,20 @@ import org.chromium.base.annotations.SuppressFBWarnings;
 class SynchronizedWebViewCommandLine {
     private static final Object sLock = new Object();
     private static InitState sInitialized = InitState.NOT_STARTED;
-    // TODO(gsennton): this value is used in WebViewChromiumFactoryProvider as well - set it
-    // somewhere where it can be read from both classes.
-    private static final String WEBVIEW_COMMAND_LINE_FILE = "/data/local/tmp/webview-command-line";
 
     private enum InitState { NOT_STARTED, STARTED, DONE }
 
+    private SynchronizedWebViewCommandLine() {}
+
+    public static SynchronizedWebViewCommandLine getInstance() {
+        return new SynchronizedWebViewCommandLine();
+    }
+
     /**
      * Initialize the global CommandLine using the WebView command line file.
      * This method includes IO operations - it shouldn't be performed on the main thread.
      */
-    public static void initOnSeparateThread() {
+    public void initOnSeparateThread() {
         synchronized (sLock) {
             if (sInitialized != InitState.NOT_STARTED) return;
             sInitialized = InitState.STARTED;
@@ -32,7 +36,12 @@ class SynchronizedWebViewCommandLine {
             @SuppressFBWarnings("DMI_HARDCODED_ABSOLUTE_FILENAME")
             @Override
             public void run() {
-                CommandLine.initFromFile(WEBVIEW_COMMAND_LINE_FILE);
+                // Only read command line flags if the device is debuggable.
+                if (CommandLineUtil.isBuildDebuggable()) {
+                    CommandLine.initFromFile(CommandLineUtil.WEBVIEW_COMMAND_LINE_FILE);
+                } else {
+                    CommandLine.init(null);
+                }
                 synchronized (sLock) {
                     sInitialized = InitState.DONE;
                     sLock.notifyAll();
@@ -44,7 +53,7 @@ class SynchronizedWebViewCommandLine {
     /**
      * Returns true if this command line contains the given switch.
      */
-    public static boolean hasSwitch(String switchString) {
+    public boolean hasSwitch(String switchString) {
         synchronized (sLock) {
             while (sInitialized != InitState.DONE) {
                 try {