Overhaul JSON Schema Compiler to support a number of features required to

chrome/browser/extensions/api/tab_capture/tab_capture_api.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.
 
 // Implements the Chrome Extensions Tab Capture API.
 
 #include "chrome/browser/extensions/api/tab_capture/tab_capture_api.h"
 
 #include "base/stringprintf.h"
 #include "base/values.h"
@@ skipping 88 matching lines @@
     constraints.push_back(params->options.video_constraints.get());
   }
 
   // Device id we use for Tab Capture.
   std::string device_id =
       base::StringPrintf("%i:%i", render_process_id, routing_id);
 
   // Append chrome specific tab constraints.
   for (std::vector<MediaStreamConstraint*>::iterator it = constraints.begin();
        it != constraints.end(); ++it) {
-    base::DictionaryValue* constraint = &(*it)->mandatory.additional_properties;
-    constraint->SetString(kMediaStreamSource, kMediaStreamSourceTab);
-    constraint->SetString(kMediaStreamSourceId, device_id);
+    (*it)->mandatory.additional_properties[kMediaStreamSource] =
+        linked_ptr<base::Value>(new base::StringValue(kMediaStreamSourceTab));
+    (*it)->mandatory.additional_properties[kMediaStreamSourceId] =
+        linked_ptr<base::Value>(new base::StringValue(device_id));
   }
 
   extensions::TabCaptureRegistry* registry =
       extensions::TabCaptureRegistryFactory::GetForProfile(profile());
   if (!registry->AddRequest(
           std::make_pair(render_process_id, routing_id),
           TabCaptureRegistry::TabCaptureRequest(
-              GetExtension()->id(), tab_id,
-              tab_capture::TAB_CAPTURE_TAB_CAPTURE_STATE_NONE))) {
+              GetExtension()->id(),
+              tab_id,
+              tab_capture::TAB_CAPTURE_STATE_NONE))) {
     error_ = kCapturingSameTab;
     return false;
   }
 
   // Copy the result from our modified input parameters. This will be
   // intercepted by custom bindings which will build and send the special
   // WebRTC user media request.
   base::DictionaryValue* result = new base::DictionaryValue();
   result->MergeDictionary(params->options.ToValue().get());
 
@@ skipping 20 matching lines @@
     info->tab_id = it->tab_id;
     info->status = it->status;
     list->Append(info->ToValue().release());
   }
 
   SetResult(list);
   return true;
 }
 
 }  // namespace extensions