Revert of Registration of DevTools bridge in GCD.

components/devtools_bridge/android/java/src/org/chromium/components/devtools_bridge/apiary/BlockingGCMRegistrar.java

Index: components/devtools_bridge/android/java/src/org/chromium/components/devtools_bridge/apiary/BlockingGCMRegistrar.java
diff --git a/components/devtools_bridge/android/java/src/org/chromium/components/devtools_bridge/apiary/BlockingGCMRegistrar.java b/components/devtools_bridge/android/java/src/org/chromium/components/devtools_bridge/apiary/BlockingGCMRegistrar.java
deleted file mode 100644
index 16b014d50b764643f2433f843bf4fbc176fbf169..0000000000000000000000000000000000000000
--- a/components/devtools_bridge/android/java/src/org/chromium/components/devtools_bridge/apiary/BlockingGCMRegistrar.java
+++ /dev/null
@@ -1,84 +0,0 @@
-// Copyright 2014 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.components.devtools_bridge.apiary;
-
-import android.content.BroadcastReceiver;
-import android.content.Context;
-import android.content.Intent;
-import android.content.IntentFilter;
-import android.util.Log;
-
-import com.google.android.gcm.GCMConstants;
-import com.google.android.gcm.GCMRegistrar;
-
-import java.io.IOException;
-import java.util.concurrent.CountDownLatch;
-
-/**
- * Helps using GCDRegistrar in blocking manner. If the app has not registered in GCM
- * it sends registration request and waits for an intent with registration ID.
- * Waiting may be interrupted. Must not be used on UI (or Context's main) looper.
- */
-public abstract class BlockingGCMRegistrar {
-    private static final String TAG = "BlockingGCMRegistrar";
-
-    public String blockingGetRegistrationId(Context context)
-            throws InterruptedException, IOException {
-        assert context != null;
-
-        Receiver receiver = new Receiver();
-        receiver.register(context);
-        try {
-            String result = GCMRegistrar.getRegistrationId(context);
-            if (result != null && !result.isEmpty()) return result;
-            GCMRegistrar.register(context, getSenderIds());
-            return receiver.awaitRegistrationId();
-        } finally {
-            receiver.unregister(context);
-        }
-    }
-
-    protected abstract String[] getSenderIds();
-
-    private static class Receiver extends BroadcastReceiver {
-        private final CountDownLatch mDone = new CountDownLatch(1);
-
-        private String mRegistrationId;
-        private String mError;
-
-        public void register(Context context) {
-            IntentFilter filter = new IntentFilter();
-            filter.addCategory(context.getPackageName());
-            filter.addAction(GCMConstants.INTENT_FROM_GCM_REGISTRATION_CALLBACK);
-            context.registerReceiver(this, filter);
-        }
-
-        public void unregister(Context context) {
-            context.unregisterReceiver(this);
-        }
-
-        public String awaitRegistrationId() throws InterruptedException, IOException {
-            mDone.await();
-            if (mRegistrationId != null) {
-                return mRegistrationId;
-            }
-            throw new IOException(mError);
-        }
-
-        @Override
-        public void onReceive(Context context, Intent intent) {
-            assert intent.getAction().equals(GCMConstants.INTENT_FROM_GCM_REGISTRATION_CALLBACK);
-
-            mRegistrationId = intent.getStringExtra(GCMConstants.EXTRA_REGISTRATION_ID);
-            mError = intent.getStringExtra(GCMConstants.EXTRA_ERROR);
-
-            if (mRegistrationId != null || mError != null) {
-                mDone.countDown();
-            } else {
-                Log.e(TAG, "Unexpected intent: " + intent);
-            }
-        }
-    }
-}