fix tests on windows

remove a runInShell arg on windows when launching pub

packages/flutter_tools/lib/src/commands/init.dart

@@ -9,6 +9,8 @@ import 'package:args/command_runner.dart';
 import 'package:mustache4dart/mustache4dart.dart' as mustache;
 import 'package:path/path.dart' as p;
 
+import '../process.dart';
+
 class InitCommand extends Command {
   final String name = 'init';
   final String description = 'Create a new Flutter project.';
@@ -43,8 +45,8 @@ class InitCommand extends Command {
 
     if (argResults['pub']) {
       print("Running pub get...");
-      Process process =
+      Process process = await Process.start(
-          await Process.start('pub', ['get'], workingDirectory: out.path);
+          sdkBinaryName('pub'), ['get'], workingDirectory: out.path);
       stdout.addStream(process.stdout);
       stderr.addStream(process.stderr);
       int code = await process.exitCode;

packages/flutter_tools/lib/src/device.dart

@@ -773,8 +773,8 @@ class AndroidDevice extends Device {
           [adbPath, 'forward', observatoryPortString, observatoryPortString]);
 
       // Actually start the server.
-      await Process.start('pub', ['run', 'sky_tools:sky_server', _serverPort],
+      await Process.start(sdkBinaryName('pub'), ['run', 'sky_tools:sky_server', _serverPort],
-          workingDirectory: serverRoot, mode: ProcessStartMode.DETACHED, runInShell: Platform.isWindows);
+          workingDirectory: serverRoot, mode: ProcessStartMode.DETACHED);
 
       // Set up reverse port-forwarding so that the Android app can reach the
       // server running on localhost.

packages/flutter_tools/lib/src/process.dart

@@ -64,6 +64,12 @@ String runCheckedSync(List<String> cmd) =>
 /// Run cmd and return stdout.
 String runSync(List<String> cmd) => _runWithLoggingSync(cmd);
 
+/// Return the platform specific name for the given Dart SDK binary. So, `pub`
+/// ==> `pub.bat`.
+String sdkBinaryName(String name) {
+  return Platform.isWindows ? '${name}.bat' : name;
+}
+
 String _runWithLoggingSync(List<String> cmd, {bool checked: false}) {
   _logging.info(cmd.join(' '));
   ProcessResult results =

packages/flutter_tools/pubspec.yaml

@@ -12,6 +12,7 @@ dependencies:
   args: ^0.13.0
   asn1lib: ^0.4.1
   cipher: ^0.7.1
+  crypto: ^0.9.1
   mustache4dart: ^1.0.0
   path: ^1.3.0
   shelf_route: ^0.13.4
@@ -19,7 +20,6 @@ dependencies:
   shelf: ^0.6.2
   test: ">=0.12.4+5 <0.12.5"
   yaml: ^2.1.3
-  crypto: ^0.9.1
 
 dev_dependencies:
   mockito: "^0.10.1"

packages/flutter_tools/test/init_test.dart

@@ -11,6 +11,7 @@ import 'dart:io';
 import 'package:args/command_runner.dart';
 import 'package:path/path.dart' as p;
 import 'package:sky_tools/src/commands/init.dart';
+import 'package:sky_tools/src/process.dart';
 import 'package:test/test.dart';
 
 main() => defineTests();
@@ -38,7 +39,7 @@ defineTests() {
       String path = p.join(temp.path, 'lib', 'main.dart');
       expect(new File(path).existsSync(), true);
       ProcessResult exec = Process.runSync(
-          'dartanalyzer', ['--fatal-warnings', path],
+          sdkBinaryName('dartanalyzer'), ['--fatal-warnings', path],
           workingDirectory: temp.path);
       if (exec.exitCode != 0) {
         print(exec.stdout);

packages/flutter_tools/test/list_test.dart

@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+import 'dart:io';
+
 import 'package:args/command_runner.dart';
 import 'package:mockito/mockito.dart';
 import 'package:sky_tools/src/commands/list.dart';
@@ -14,23 +16,25 @@ main() => defineTests();
 defineTests() {
   group('list', () {
     test('returns 0 when called', () {
+      final String mockCommand = Platform.isWindows ? 'cmd /c echo' : 'echo';
+
       ListCommand command = new ListCommand();
       applyMocksToCommand(command);
       MockDeviceStore mockDevices = command.devices;
 
       // Avoid relying on adb being installed on the test system.
       // Instead, cause the test to run the echo command.
-      when(mockDevices.android.adbPath).thenReturn('echo');
+      when(mockDevices.android.adbPath).thenReturn(mockCommand);
 
       // Avoid relying on idevice* being installed on the test system.
       // Instead, cause the test to run the echo command.
-      when(mockDevices.iOS.informerPath).thenReturn('echo');
+      when(mockDevices.iOS.informerPath).thenReturn(mockCommand);
-      when(mockDevices.iOS.installerPath).thenReturn('echo');
+      when(mockDevices.iOS.installerPath).thenReturn(mockCommand);
-      when(mockDevices.iOS.listerPath).thenReturn('echo');
+      when(mockDevices.iOS.listerPath).thenReturn(mockCommand);
 
       // Avoid relying on xcrun being installed on the test system.
       // Instead, cause the test to run the echo command.
-      when(mockDevices.iOSSimulator.xcrunPath).thenReturn('echo');
+      when(mockDevices.iOSSimulator.xcrunPath).thenReturn(mockCommand);
 
 
       CommandRunner runner = new CommandRunner('test_flutter', '')