aw: Remove a redundant HeapProfilingTestShim.java file

This file isn't used anywhere, there is a almost the same copy of it
in components/heap_profiling/, which is in use.

Bug: None
Change-Id: Ia53649c4de7f403c0a37cde28dd05c8d6480fede
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1635086Reviewed-by: Erik Chen <erikchen@chromium.org>
Reviewed-by: Changwan Ryu <changwan@chromium.org>
Commit-Queue: Shimi Zhang <ctzsm@chromium.org>
Cr-Commit-Position: refs/heads/master@{#664991}

android_webview/javatests/src/org/chromium/android_webview/test/HeapProfilingTestShim.java

-
-// Copyright 2018 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.android_webview.test;
-
-import org.chromium.base.annotations.MainDex;
-
-/**
- * Provides direct access to heap_profiling_shim, which in turn forwards to
- * heap_profiling::TestDriver. Only used for testing.
- */
-@MainDex
-public class HeapProfilingTestShim {
-    public HeapProfilingTestShim() {
-        mNativeHeapProfilingTestShim = nativeInit();
-    }
-
-    /**
-     *  When |dynamicallyStartProfiling| is true, the test harness is
-     *  responsible for starting profiling for the relevant processes.
-     *  When |pseudoStacks| is true, the stacks use trace-event based stacks
-     *  rather than native stacks.
-     */
-    public boolean runTestForMode(String mode, boolean dynamicallyStartProfiling, String stackMode,
-            boolean streamSamples, boolean shouldSample, boolean sampleEverything) {
-        return nativeRunTestForMode(mNativeHeapProfilingTestShim, mode, dynamicallyStartProfiling,
-                stackMode, streamSamples, shouldSample, sampleEverything);
-    }
-
-    /**
-     * Clean up the C++ side of this class.
-     * After the call, this class instance shouldn't be used.
-     */
-    public void destroy() {
-        if (mNativeHeapProfilingTestShim != 0) {
-            nativeDestroy(mNativeHeapProfilingTestShim);
-            mNativeHeapProfilingTestShim = 0;
-        }
-    }
-
-    private long mNativeHeapProfilingTestShim;
-    private native long nativeInit();
-    private native void nativeDestroy(long nativeHeapProfilingTestShim);
-    private native boolean nativeRunTestForMode(long nativeHeapProfilingTestShim, String mode,
-            boolean dynamicallyStartProfiling, String stackMode, boolean streamSamples,
-            boolean shouldSample, boolean sampleEverything);
-}