Disable crashy IPCSyncChannelTest.SendWithTimeoutMixedOKAndTimeout...

ipc/ipc_sync_channel_unittest.cc

 // Copyright (c) 2010 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.
 //
 // Unit test for SyncChannel.
 
 #include "ipc/ipc_sync_channel.h"
 
 #include <string>
 #include <vector>
@@ skipping 979 matching lines @@
   SendWithTimeoutOK(true);
 }
 
 // Tests that SendWithTimeout does time-out.
 TEST_F(IPCSyncChannelTest, SendWithTimeoutTimeout) {
   SendWithTimeoutTimeout(false);
   SendWithTimeoutTimeout(true);
 }
 
 // Sends some message that time-out and some that succeed.
-TEST_F(IPCSyncChannelTest, SendWithTimeoutMixedOKAndTimeout) {
+// Crashes flakily, http://crbug.com/70075.
+TEST_F(IPCSyncChannelTest, DISABLED_SendWithTimeoutMixedOKAndTimeout) {
   SendWithTimeoutMixedOKAndTimeout(false);
   SendWithTimeoutMixedOKAndTimeout(true);
 }
 
 //------------------------------------------------------------------------------
 
 namespace {
 
 class NestedTask : public Task {
  public:
@@ skipping 146 matching lines @@
   server.done_event()->Wait();
   server.done_event()->Reset();
 
   server.SendDummy();
   server.done_event()->Wait();
 
   EXPECT_FALSE(server.send_result());
 }