Speculatively disable POSIX NativeMessagingTests all together to fix random unit_tests hangs.

chrome/browser/extensions/api/messaging/native_message_process_host_unittest_posix.cc

 // Copyright (c) 2012 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.
 
 #include "base/bind.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop.h"
@@ skipping 95 matching lines @@
   Feature::ScopedCurrentChannel current_channel_;
   NativeMessageProcessHost* native_message_process_host_;
   FilePath user_data_dir_;
   MessageLoopForIO message_loop_;
   scoped_ptr<content::TestBrowserThread> ui_thread_;
   scoped_ptr<content::TestBrowserThread> file_thread_;
   std::string last_posted_message_;
 };
 
 // Read a single message from a local file (single_message_response.msg).
-TEST_F(NativeMessagingTest, SingleSendMessageRead) {
+TEST_F(NativeMessagingTest, DISABLED_SingleSendMessageRead) {
   FilePath temp_file;
   file_util::CreateTemporaryFile(&temp_file);
   FakeLauncher launcher(GetTestDir().AppendASCII("single_message_response.msg"),
                         temp_file);
   NativeMessageProcessHost::CreateWithLauncher(
       AsWeakPtr(), "empty_app.py", "{}", 0,
       NativeMessageProcessHost::TYPE_SEND_MESSAGE_REQUEST, base::Bind(
           &NativeMessagingTest::AcquireProcess, AsWeakPtr()),
       launcher);
   message_loop_.RunAllPending();
   ASSERT_TRUE(native_message_process_host_);
   native_message_process_host_->ReadNowForTesting();
   message_loop_.RunAllPending();
   EXPECT_EQ(last_posted_message_, "{\"text\": \"Hi There!.\"}");
   file_util::Delete(temp_file, false /* non-recursive */);
 }
 
 // Tests sending a single message. The message should get written to
 // |temp_file| and should match the contents of single_message_request.msg.
-TEST_F(NativeMessagingTest, SingleSendMessageWrite) {
+TEST_F(NativeMessagingTest, DISABLED_SingleSendMessageWrite) {
   FilePath temp_file;
   file_util::CreateTemporaryFile(&temp_file);
   FakeLauncher launcher(GetTestDir().AppendASCII("single_message_response.msg"),
                         temp_file);
   NativeMessageProcessHost::CreateWithLauncher(
       AsWeakPtr(), "empty_app.py", "{\"text\": \"Hello.\"}", 0,
       NativeMessageProcessHost::TYPE_SEND_MESSAGE_REQUEST, base::Bind(
           &NativeMessagingTest::AcquireProcess, AsWeakPtr()),
       launcher);
   message_loop_.RunAllPending();
   ASSERT_TRUE(native_message_process_host_);
 
   EXPECT_TRUE(file_util::ContentsEqual(
       temp_file, GetTestDir().AppendASCII("single_message_request.msg")));
 
   file_util::Delete(temp_file, false /* non-recursive */);
 }
 
 // Test send message with a real client. The client just echo's back the text
 // it recieved.
-TEST_F(NativeMessagingTest, EchoConnect) {
+TEST_F(NativeMessagingTest, DISABLED_EchoConnect) {
   NativeMessageProcessHost::Create(
       AsWeakPtr(), "echo.py", "{\"text\": \"Hello.\"}", 0,
       NativeMessageProcessHost::TYPE_CONNECT, base::Bind(
           &NativeMessagingTest::AcquireProcess, AsWeakPtr()));
   message_loop_.RunAllPending();
   ASSERT_TRUE(native_message_process_host_);
 
   native_message_process_host_->ReadNowForTesting();
   message_loop_.RunAllPending();
   EXPECT_EQ(last_posted_message_,
             "{\"id\": 1, \"echo\": {\"text\": \"Hello.\"}}");
 
   native_message_process_host_->Send("{\"foo\": \"bar\"}");
   message_loop_.RunAllPending();
   native_message_process_host_->ReadNowForTesting();
   message_loop_.RunAllPending();
   EXPECT_EQ(last_posted_message_, "{\"id\": 2, \"echo\": {\"foo\": \"bar\"}}");
 }
 
 }  // namespace extensions