Convert JsonWriter::Write to taking a const ref for the in-param

pdf/out_of_process_instance.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 "pdf/out_of_process_instance.h"
 
 #include <algorithm>  // for min/max()
 #define _USE_MATH_DEFINES  // for M_PI
 #include <cmath>      // for log() and pow()
 #include <math.h>
@@ skipping 451 matching lines @@
     } else {
       base::DictionaryValue node;
       node.SetInteger(kAccessibleNumberOfPages, engine_->GetNumberOfPages());
       node.SetBoolean(kAccessibleLoaded,
                       document_load_state_ != LOAD_STATE_LOADING);
       bool has_permissions =
           engine_->HasPermission(PDFEngine::PERMISSION_COPY) ||
           engine_->HasPermission(PDFEngine::PERMISSION_COPY_ACCESSIBLE);
       node.SetBoolean(kAccessibleCopyable, has_permissions);
       std::string json;
-      base::JSONWriter::Write(&node, &json);
+      base::JSONWriter::Write(node, &json);
       reply.Set(pp::Var(kJSAccessibilityJSON), pp::Var(json));
     }
     PostMessage(reply);
   } else if (type == kJSStopScrollingType) {
     stop_scrolling_ = true;
   } else if (type == kJSGetSelectedTextType) {
     std::string selected_text = engine_->GetSelectedText();
     // Always return unix newlines to JS.
     base::ReplaceChars(selected_text, "\r", std::string(), &selected_text);
     pp::VarDictionary reply;
@@ skipping 934 matching lines @@
 pp::FloatPoint OutOfProcessInstance::BoundScrollOffsetToDocument(
     const pp::FloatPoint& scroll_offset) {
   float max_x = document_size_.width() * zoom_ - plugin_dip_size_.width();
   float x = std::max(std::min(scroll_offset.x(), max_x), 0.0f);
   float max_y = document_size_.height() * zoom_ - plugin_dip_size_.height();
   float y = std::max(std::min(scroll_offset.y(), max_y), 0.0f);
   return pp::FloatPoint(x, y);
 }
 
 }  // namespace chrome_pdf