Remove iOS ifdefs in src/content.

content/common/gpu/client/gpu_jpeg_decode_accelerator_host.cc

 // Copyright 2015 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 "content/common/gpu/client/gpu_jpeg_decode_accelerator_host.h"
 
 #include <stddef.h>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 146 matching lines @@
       channel_->ShareToGpuProcess(bitstream_buffer.handle());
   if (!base::SharedMemory::IsHandleValid(input_handle)) {
     DLOG(ERROR) << "Failed to duplicate handle of BitstreamBuffer";
     return;
   }
   decode_params.input_buffer.set_handle(input_handle);
   base::SharedMemoryHandle output_handle =
       channel_->ShareToGpuProcess(video_frame->shared_memory_handle());
   if (!base::SharedMemory::IsHandleValid(output_handle)) {
     DLOG(ERROR) << "Failed to duplicate handle of VideoFrame";
-#if defined(OS_POSIX) && !(defined(OS_MACOSX) && !defined(OS_IOS))
+#if defined(OS_POSIX) && !defined(OS_MACOSX)
     if (input_handle.auto_close) {
       // Defer closing task to the ScopedFD.
       base::ScopedFD(input_handle.fd);
     }
 #else
     // TODO(kcwu) fix the handle leak after crbug.com/493414 resolved.
 #endif
     return;
   }
 
@@ skipping 17 matching lines @@
   if (!channel_->Send(message)) {
     DLOG(ERROR) << "Send(" << message->type() << ") failed";
   }
 }
 
 base::WeakPtr<IPC::Listener> GpuJpegDecodeAcceleratorHost::GetReceiver() {
   return receiver_->AsWeakPtrForIO();
 }
 
 }  // namespace content