Remove app context init from LibraryLoader.

base/android/javatests/src/org/chromium/base/metrics/RecordHistogramTest.java

 // 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.base.metrics;
 
 import android.test.InstrumentationTestCase;
 import android.test.suitebuilder.annotation.SmallTest;
 
 import org.chromium.base.library_loader.LibraryLoader;
 import org.chromium.base.library_loader.LibraryProcessType;
 import org.chromium.base.test.util.MetricsUtils.HistogramDelta;
 
 import java.util.concurrent.TimeUnit;
 
 /**
  * Tests for the Java API for recording UMA histograms.
  */
 public class RecordHistogramTest extends InstrumentationTestCase {
     @Override
     protected void setUp() throws Exception {
         super.setUp();
-        LibraryLoader.get(LibraryProcessType.PROCESS_BROWSER)
-                .ensureInitialized(getInstrumentation().getTargetContext());
+        LibraryLoader.get(LibraryProcessType.PROCESS_BROWSER).ensureInitialized();
         RecordHistogram.initialize();
     }
 
     /**
      * Tests recording of boolean histograms.
      */
     @SmallTest
     public void testRecordBooleanHistogram() {
         String histogram = "HelloWorld.BooleanMetric";
         HistogramDelta falseCount = new HistogramDelta(histogram, 0);
@@ skipping 149 matching lines @@
         assertEquals(2, zeroCount.getDelta());
         assertEquals(0, oneCount.getDelta());
         assertEquals(0, twoCount.getDelta());
 
         RecordHistogram.recordLinearCountHistogram(histogram, 2, min, max, numBuckets);
         assertEquals(2, zeroCount.getDelta());
         assertEquals(0, oneCount.getDelta());
         assertEquals(1, twoCount.getDelta());
     }
 }