Revert of Android: Add support for TraceEvent before the native library is loaded.

base/android/javatests/src/org/chromium/base/EarlyTraceEventTest.java

Index: base/android/javatests/src/org/chromium/base/EarlyTraceEventTest.java
diff --git a/base/android/javatests/src/org/chromium/base/EarlyTraceEventTest.java b/base/android/javatests/src/org/chromium/base/EarlyTraceEventTest.java
deleted file mode 100644
index c2efb9e58673e53ad086bd4dc3b7dbf184fdf7da..0000000000000000000000000000000000000000
--- a/base/android/javatests/src/org/chromium/base/EarlyTraceEventTest.java
+++ /dev/null
@@ -1,152 +0,0 @@
-// Copyright 2016 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;
-
-import android.os.Process;
-import android.os.SystemClock;
-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.Feature;
-
-/**
- * Tests for {@link EarlyTraceEvent}.
- */
-public class EarlyTraceEventTest extends InstrumentationTestCase {
-    private static final String EVENT_NAME = "MyEvent";
-    private static final String EVENT_NAME2 = "MyOtherEvent";
-
-    @Override
-    protected void setUp() throws Exception {
-        super.setUp();
-        LibraryLoader.get(LibraryProcessType.PROCESS_BROWSER)
-                .ensureInitialized(getInstrumentation().getTargetContext());
-
-        EarlyTraceEvent.sState = EarlyTraceEvent.STATE_DISABLED;
-        EarlyTraceEvent.sCompletedEvents = null;
-        EarlyTraceEvent.sPendingEvents = null;
-    }
-
-    @SmallTest
-    @Feature({"Android-AppBase"})
-    public void testCanRecordEvent() {
-        EarlyTraceEvent.enable();
-        long myThreadId = Process.myTid();
-        long beforeMs = SystemClock.elapsedRealtime();
-        EarlyTraceEvent.begin(EVENT_NAME);
-        EarlyTraceEvent.end(EVENT_NAME);
-        long afterMs = SystemClock.elapsedRealtime();
-
-        assertEquals(1, EarlyTraceEvent.sCompletedEvents.size());
-        assertTrue(EarlyTraceEvent.sPendingEvents.isEmpty());
-        EarlyTraceEvent.Event event = EarlyTraceEvent.sCompletedEvents.get(0);
-        assertEquals(EVENT_NAME, event.mName);
-        assertEquals(myThreadId, event.mThreadId);
-        assertTrue(beforeMs <= event.mBeginTimeMs && event.mBeginTimeMs <= afterMs);
-        assertTrue(event.mBeginTimeMs <= event.mEndTimeMs);
-        assertTrue(beforeMs <= event.mEndTimeMs && event.mEndTimeMs <= afterMs);
-    }
-
-    @SmallTest
-    @Feature({"Android-AppBase"})
-    public void testIncompleteEvent() {
-        EarlyTraceEvent.enable();
-        EarlyTraceEvent.begin(EVENT_NAME);
-
-        assertTrue(EarlyTraceEvent.sCompletedEvents.isEmpty());
-        assertEquals(1, EarlyTraceEvent.sPendingEvents.size());
-        EarlyTraceEvent.Event event = EarlyTraceEvent.sPendingEvents.get(EVENT_NAME);
-        assertEquals(EVENT_NAME, event.mName);
-    }
-
-    @SmallTest
-    @Feature({"Android-AppBase"})
-    public void testNoDuplicatePendingEvents() {
-        EarlyTraceEvent.enable();
-        EarlyTraceEvent.begin(EVENT_NAME);
-        try {
-            EarlyTraceEvent.begin(EVENT_NAME);
-        } catch (IllegalArgumentException e) {
-            // Expected.
-            return;
-        }
-        fail();
-    }
-
-    @SmallTest
-    @Feature({"Android-AppBase"})
-    public void testIgnoreEventsWhenDisabled() {
-        EarlyTraceEvent.begin(EVENT_NAME);
-        EarlyTraceEvent.end(EVENT_NAME);
-        assertNull(EarlyTraceEvent.sCompletedEvents);
-    }
-
-    @SmallTest
-    @Feature({"Android-AppBase"})
-    public void testIgnoreNewEventsWhenFinishing() {
-        EarlyTraceEvent.enable();
-        EarlyTraceEvent.begin(EVENT_NAME);
-        EarlyTraceEvent.disable();
-
-        assertEquals(EarlyTraceEvent.STATE_FINISHING, EarlyTraceEvent.sState);
-        EarlyTraceEvent.begin(EVENT_NAME2);
-        EarlyTraceEvent.end(EVENT_NAME2);
-
-        assertEquals(1, EarlyTraceEvent.sPendingEvents.size());
-        assertTrue(EarlyTraceEvent.sCompletedEvents.isEmpty());
-    }
-
-    @SmallTest
-    @Feature({"Android-AppBase"})
-    public void testFinishingToFinished() {
-        EarlyTraceEvent.enable();
-        EarlyTraceEvent.begin(EVENT_NAME);
-        EarlyTraceEvent.disable();
-
-        assertEquals(EarlyTraceEvent.STATE_FINISHING, EarlyTraceEvent.sState);
-        EarlyTraceEvent.begin(EVENT_NAME2);
-        EarlyTraceEvent.end(EVENT_NAME2);
-        EarlyTraceEvent.end(EVENT_NAME);
-
-        assertEquals(EarlyTraceEvent.STATE_FINISHED, EarlyTraceEvent.sState);
-    }
-
-    @SmallTest
-    @Feature({"Android-AppBase"})
-    public void testCannotBeReenabledOnceFinished() {
-        EarlyTraceEvent.enable();
-        EarlyTraceEvent.begin(EVENT_NAME);
-        EarlyTraceEvent.end(EVENT_NAME);
-        EarlyTraceEvent.disable();
-        assertEquals(EarlyTraceEvent.STATE_FINISHED, EarlyTraceEvent.sState);
-
-        EarlyTraceEvent.enable();
-        assertEquals(EarlyTraceEvent.STATE_FINISHED, EarlyTraceEvent.sState);
-    }
-
-    @SmallTest
-    @Feature({"Android-AppBase"})
-    public void testThreadIdIsRecorded() throws Exception {
-        EarlyTraceEvent.enable();
-        final long[] threadId = {0};
-
-        Thread thread = new Thread() {
-            @Override
-            public void run() {
-                TraceEvent.begin(EVENT_NAME);
-                threadId[0] = Process.myTid();
-                TraceEvent.end(EVENT_NAME);
-            }
-        };
-        thread.start();
-        thread.join();
-
-        assertEquals(1, EarlyTraceEvent.sCompletedEvents.size());
-        EarlyTraceEvent.Event event = EarlyTraceEvent.sCompletedEvents.get(0);
-        assertEquals(threadId[0], event.mThreadId);
-    }
-}