json_schema_compiler: Use std::vector<char> for binary values.

chrome/browser/extensions/api/braille_display_private/braille_controller_brlapi.cc

 // Copyright 2013 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 "chrome/browser/extensions/api/braille_display_private/braille_controller_brlapi.h"
 
 #include <algorithm>
 #include <cerrno>
 #include <cstring>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
+#include "base/stl_util.h"
 #include "base/time/time.h"
 #include "chrome/browser/extensions/api/braille_display_private/brlapi_connection.h"
 #include "chrome/browser/extensions/api/braille_display_private/brlapi_keycode_map.h"
 #include "content/public/browser/browser_thread.h"
 
 namespace extensions {
 using content::BrowserThread;
 using base::Time;
 using base::TimeDelta;
 namespace api {
@@ skipping 62 matching lines @@
     if (!connection_->GetDisplaySize(&size)) {
       Disconnect();
     } else if (size > 0) {  // size == 0 means no display present.
       display_state->available = true;
       display_state->text_cell_count.reset(new int(size));
     }
   }
   return display_state.Pass();
 }
 
-void BrailleControllerImpl::WriteDots(const std::string& cells) {
+void BrailleControllerImpl::WriteDots(const std::vector<char>& cells) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   if (connection_ && connection_->Connected()) {
     size_t size;
     if (!connection_->GetDisplaySize(&size)) {
       Disconnect();
     }
     std::vector<unsigned char> sizedCells(size);
-    std::memcpy(&sizedCells[0], cells.data(), std::min(cells.size(), size));
+    std::memcpy(&sizedCells[0], vector_as_array(&cells),
+                std::min(cells.size(), size));
     if (size > cells.size())
       std::fill(sizedCells.begin() + cells.size(), sizedCells.end(), 0);
     if (!connection_->WriteDots(&sizedCells[0]))
       Disconnect();
   }
 }
 
 void BrailleControllerImpl::AddObserver(BrailleObserver* observer) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   if (!BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
@@ skipping 196 matching lines @@
     }
     return;
   }
   FOR_EACH_OBSERVER(BrailleObserver, observers_,
                     OnBrailleDisplayStateChanged(*new_state));
 }
 
 }  // namespace braille_display_private
 }  // namespace api
 }  // namespace extensions