Remove iOS ifdefs in src/content.

content/browser/renderer_host/media/video_capture_gpu_jpeg_decoder.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/browser/renderer_host/media/video_capture_gpu_jpeg_decoder.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 102 matching lines @@
   }
   memcpy(in_shared_memory_->memory(), data, in_buffer_size);
 
   // No need to lock for |in_buffer_id_| since IsDecoding_Locked() is false.
   in_buffer_id_ = next_bitstream_buffer_id_;
   media::BitstreamBuffer in_buffer(in_buffer_id_, in_shared_memory_->handle(),
                                    in_buffer_size);
   // Mask against 30 bits, to avoid (undefined) wraparound on signed integer.
   next_bitstream_buffer_id_ = (next_bitstream_buffer_id_ + 1) & 0x3FFFFFFF;
 
-#if defined(OS_POSIX) && !(defined(OS_MACOSX) && !defined(OS_IOS))
+#if defined(OS_POSIX) && !defined(OS_MACOSX)
   const gfx::Size dimensions = frame_format.frame_size;
   base::SharedMemoryHandle out_handle = out_buffer->AsPlatformFile();
   scoped_refptr<media::VideoFrame> out_frame =
       media::VideoFrame::WrapExternalSharedMemory(
           media::PIXEL_FORMAT_I420,                   // format
           dimensions,                                 // coded_size
           gfx::Rect(dimensions),                      // visible_rect
           dimensions,                                 // natural_size
           static_cast<uint8_t*>(out_buffer->data()),  // data
           out_buffer->mapped_size(),                  // data_size
@@ skipping 114 matching lines @@
   lock_.AssertAcquired();
   return !decode_done_closure_.is_null();
 }
 
 void VideoCaptureGpuJpegDecoder::RecordInitDecodeUMA_Locked() {
   UMA_HISTOGRAM_BOOLEAN("Media.VideoCaptureGpuJpegDecoder.InitDecodeSuccess",
                         decoder_status_ == INIT_PASSED);
 }
 
 }  // namespace content