Add RemoteDebuggingController.java and its (native) dependencies.

content/public/android/java/org/chromium/content/browser/RemoteDebuggingController.java

Index: content/public/android/java/org/chromium/content/browser/RemoteDebuggingController.java
diff --git a/content/public/android/java/org/chromium/content/browser/RemoteDebuggingController.java b/content/public/android/java/org/chromium/content/browser/RemoteDebuggingController.java
new file mode 100644
index 0000000000000000000000000000000000000000..d618530d4a484064f75246c2e39f5032b238ab17
--- /dev/null
+++ b/content/public/android/java/org/chromium/content/browser/RemoteDebuggingController.java
@@ -0,0 +1,45 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.content.browser;
+
+// Controls DevTools remote debugging server state.
+public class RemoteDebuggingController {
+
+    private static RemoteDebuggingController sInstance;
+
+    private boolean mUserPreferenceEnabled;
+
+    public static RemoteDebuggingController getInstance() {
+        if (sInstance == null) {
+            sInstance = new RemoteDebuggingController();
+        }
+        return sInstance;
+    }
+
+    public void updateUserPreferenceState(boolean enabled) {
+        if (mUserPreferenceEnabled != enabled) {
+            mUserPreferenceEnabled = enabled;
+            updateRemoteDebuggingState();
+        }
+    }
+
+    void updateRemoteDebuggingState() {
+        if (mUserPreferenceEnabled != nativeIsRemoteDebuggingEnabled()) {
+            if (mUserPreferenceEnabled) {
+                nativeStartRemoteDebugging();
+            } else {
+                nativeStopRemoteDebugging();
+            }
+        }
+    }
+
+    private RemoteDebuggingController() {
+        mUserPreferenceEnabled = nativeIsRemoteDebuggingEnabled();
+    }
+
+    private static native void nativeStartRemoteDebugging();
+    private static native void nativeStopRemoteDebugging();
+    private static native boolean nativeIsRemoteDebuggingEnabled();
+}