Moving ChildProcessCreationParams from content to base.

content/public/android/java/src/org/chromium/content/browser/ChildProcessCreationParams.java

-// 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.content.browser;
-
-import android.content.Intent;
-import android.util.SparseArray;
-
-import org.chromium.base.library_loader.LibraryProcessType;
-
-/**
- * Allows specifying the package name for looking up child services
- * configuration and classes into (if it differs from the application
- * package name, like in the case of Android WebView). Also allows
- * specifying additional child service binding flags.
- */
-public class ChildProcessCreationParams {
-    /** ID used for the default params. */
-    public static final int DEFAULT_ID = 0;
-
-    private static final Object sLock = new Object();
-    private static final SparseArray<ChildProcessCreationParams> sParamMap = new SparseArray<>();
-    private static int sNextId = 1; // 0 is reserved for DEFAULT_ID.
-
-    /** Register default params. This should be called once on start up. */
-    public static void registerDefault(ChildProcessCreationParams params) {
-        synchronized (sLock) {
-            // TODO(boliu): Assert not overwriting existing entry once WebApk is fixed.
-            sParamMap.append(DEFAULT_ID, params);
-        }
-    }
-
-    // TODO(boliu): Make package visible once WebApk is fixed.
-    public static ChildProcessCreationParams getDefault() {
-        return get(DEFAULT_ID);
-    }
-
-    /** Register new params. Returns the allocated ID corresponding this params. */
-    public static int register(ChildProcessCreationParams params) {
-        assert params != null;
-        int id = -1;
-        synchronized (sLock) {
-            id = sNextId++;
-            sParamMap.append(id, params);
-        }
-        assert id > 0;
-        return id;
-    }
-
-    /** Releases param corresponding to this ID. Any future use of this ID will crash. */
-    public static void unregister(int id) {
-        assert id > DEFAULT_ID; // Not allowed to unregister default.
-        synchronized (sLock) {
-            sParamMap.delete(id);
-        }
-    }
-
-    static ChildProcessCreationParams get(int id) {
-        assert id >= 0;
-        synchronized (sLock) {
-            return sParamMap.get(id);
-        }
-    }
-
-    // Members should all be immutable to avoid worrying about thread safety.
-    private final String mPackageName;
-    private final boolean mIsExternalService;
-    private final int mLibraryProcessType;
-
-    public ChildProcessCreationParams(String packageName, boolean isExternalService,
-            int libraryProcessType) {
-        mPackageName = packageName;
-        mIsExternalService = isExternalService;
-        mLibraryProcessType = libraryProcessType;
-    }
-
-    String getPackageName() {
-        return mPackageName;
-    }
-
-    boolean getIsExternalService() {
-        return mIsExternalService;
-    }
-
-    int getLibraryProcessType() {
-        return mLibraryProcessType;
-    }
-
-    void addIntentExtras(Intent intent) {
-        intent.putExtra(ChildProcessConstants.EXTRA_LIBRARY_PROCESS_TYPE, mLibraryProcessType);
-    }
-
-    public static int getLibraryProcessType(Intent intent) {
-        return intent.getIntExtra(
-                ChildProcessConstants.EXTRA_LIBRARY_PROCESS_TYPE, LibraryProcessType.PROCESS_CHILD);
-    }
-}