import org.chromium.ui.ActivityWindowAndroid; //导入依赖的package包/类
private void finishInitialization(final Bundle savedInstanceState) {
    setContentView(R.layout.testshell_activity);
    mTabManager = (TabManager) findViewById(R.id.tab_manager);
    String startupUrl = getUrlFromIntent(getIntent());
    if (!TextUtils.isEmpty(startupUrl)) {
        mTabManager.setStartupUrl(startupUrl);
    }
    TestShellToolbar mToolbar = (TestShellToolbar) findViewById(R.id.toolbar);
    mToolbar.setMenuHandler(this);

    mWindow = new ActivityWindowAndroid(this);
    mWindow.restoreInstanceState(savedInstanceState);
    mTabManager.setWindow(mWindow);

    mDevToolsServer = new DevToolsServer("chromium_testshell");
    mDevToolsServer.setRemoteDebuggingEnabled(true);
    mSyncController = SyncController.get(this);
    // In case this method is called after the first onStart(), we need to inform the
    // SyncController that we have started.
    mSyncController.onStart();
}
 

import org.chromium.ui.ActivityWindowAndroid; //导入依赖的package包/类
private static ContentViewCore createAndInitializeContentViewCore(ViewGroup containerView,
        InternalAccessDelegate internalDispatcher, int nativeWebContents,
        ContentViewCore.GestureStateListener pinchGestureStateListener,
        ContentViewClient contentViewClient,
        ContentViewCore.ZoomControlsDelegate zoomControlsDelegate) {
  Context context = containerView.getContext();
  ContentViewCore contentViewCore = new ContentViewCore(context);
  // Note INPUT_EVENTS_DELIVERED_IMMEDIATELY is passed to avoid triggering vsync in the
  // compositor, not because input events are delivered immediately.
  contentViewCore.initialize(containerView, internalDispatcher, nativeWebContents,
          context instanceof Activity ?
                  new ActivityWindowAndroid((Activity) context) : new WindowAndroid(context),
            ContentViewCore.INPUT_EVENTS_DELIVERED_IMMEDIATELY);
  contentViewCore.setGestureStateListener(pinchGestureStateListener);
  contentViewCore.setContentViewClient(contentViewClient);
  contentViewCore.setZoomControlsDelegate(zoomControlsDelegate);
  return contentViewCore;
}
 

import org.chromium.ui.ActivityWindowAndroid; //导入依赖的package包/类
@Override
protected void onCreate(final Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    // Initializing the command line must occur before loading the library.
    if (!CommandLine.isInitialized()) {
        CommandLine.initFromFile(COMMAND_LINE_FILE);
        String[] commandLineParams = getCommandLineParamsFromIntent(getIntent());
        if (commandLineParams != null) {
            CommandLine.getInstance().appendSwitchesAndArguments(commandLineParams);
        }
    }
    waitForDebuggerIfNeeded();

    DeviceUtils.addDeviceSpecificUserAgentSwitch(this);
    try {
        LibraryLoader.ensureInitialized();
    } catch (ProcessInitException e) {
        Log.e(TAG, "ContentView initialization failed.", e);
        finish();
        return;
    }

    setContentView(R.layout.content_shell_activity);
    mShellManager = (ShellManager) findViewById(R.id.shell_container);
    mWindowAndroid = new ActivityWindowAndroid(this);
    mWindowAndroid.restoreInstanceState(savedInstanceState);
    mShellManager.setWindow(mWindowAndroid);

    String startupUrl = getUrlFromIntent(getIntent());
    if (!TextUtils.isEmpty(startupUrl)) {
        mShellManager.setStartupUrl(Shell.sanitizeUrl(startupUrl));
    }

    if (CommandLine.getInstance().hasSwitch(CommandLine.DUMP_RENDER_TREE)) {
        if(BrowserStartupController.get(this).startBrowserProcessesSync(
               BrowserStartupController.MAX_RENDERERS_LIMIT)) {
            finishInitialization(savedInstanceState);
        } else {
            initializationFailed();
        }
    } else {
        BrowserStartupController.get(this).startBrowserProcessesAsync(
                new BrowserStartupController.StartupCallback() {
            @Override
            public void onSuccess(boolean alreadyStarted) {
                finishInitialization(savedInstanceState);
            }

            @Override
            public void onFailure() {
                initializationFailed();
            }
        });
    }
}