diff --git a/common/api/atom_api_crash_reporter.cc b/common/api/atom_api_crash_reporter.cc
index 529ef6cfa9d..26b1c2938f1 100644
--- a/common/api/atom_api_crash_reporter.cc
+++ b/common/api/atom_api_crash_reporter.cc
@@ -17,12 +17,13 @@ namespace api {
 v8::Handle<v8::Value> CrashReporter::Start(const v8::Arguments& args) {
   std::string product_name, company_name, submit_url;
   bool auto_submit, skip_system;
+  std::map<std::string, std::string> dict;
   if (!FromV8Arguments(args, &product_name, &company_name, &submit_url,
-                       &auto_submit, &skip_system))
+                       &auto_submit, &skip_system, &dict))
     return node::ThrowTypeError("Bad argument");
 
   crash_reporter::CrashReporter::GetInstance()->Start(
-      product_name, company_name, submit_url, auto_submit, skip_system);
+      product_name, company_name, submit_url, auto_submit, skip_system, dict);
 
   return v8::Undefined();
 }
diff --git a/common/api/lib/crash-reporter.coffee b/common/api/lib/crash-reporter.coffee
index cf198712330..9a54510c0d2 100644
--- a/common/api/lib/crash-reporter.coffee
+++ b/common/api/lib/crash-reporter.coffee
@@ -2,14 +2,15 @@ binding = process.atomBinding 'crash_reporter'
 
 class CrashReporter
   start: (options={}) ->
-    {productName, companyName, submitUrl, autoSubmit, ignoreSystemCrashHandler} = options
+    {productName, companyName, submitUrl, autoSubmit, ignoreSystemCrashHandler, extra} = options
 
     productName ?= 'Atom-Shell'
     companyName ?= 'GitHub, Inc'
     submitUrl ?= 'http://54.249.141.25'
     autoSubmit ?= true
     ignoreSystemCrashHandler ?= false
+    extra ?= {}
 
-    binding.start productName, companyName, submitUrl, autoSubmit, ignoreSystemCrashHandler
+    binding.start productName, companyName, submitUrl, autoSubmit, ignoreSystemCrashHandler, extra
 
 module.exports = new CrashReporter
diff --git a/common/crash_reporter/crash_reporter.cc b/common/crash_reporter/crash_reporter.cc
index 66b3cc8e3dc..f52f335ce0c 100644
--- a/common/crash_reporter/crash_reporter.cc
+++ b/common/crash_reporter/crash_reporter.cc
@@ -12,9 +12,8 @@
 namespace crash_reporter {
 
 CrashReporter::CrashReporter() {
-  SetUploadParameters();
-
-  is_browser_ = upload_parameters_["process_type"].empty();
+  const CommandLine& command = *CommandLine::ForCurrentProcess();
+  is_browser_ = command.GetSwitchValueASCII(switches::kProcessType).empty();
 }
 
 CrashReporter::~CrashReporter() {
@@ -24,18 +23,19 @@ void CrashReporter::Start(std::string product_name,
                           const std::string& company_name,
                           const std::string& submit_url,
                           bool auto_submit,
-                          bool skip_system_crash_handler) {
+                          bool skip_system_crash_handler,
+                          const StringMap& extra_parameters) {
+  SetUploadParameters(extra_parameters);
+
   // Append "Renderer" for the renderer.
   product_name += " Renderer";
   InitBreakpad(product_name, ATOM_VERSION_STRING, company_name, submit_url,
                auto_submit, skip_system_crash_handler);
 }
 
-void CrashReporter::SetUploadParameters() {
-  const CommandLine& command = *CommandLine::ForCurrentProcess();
-  std::string type = command.GetSwitchValueASCII(switches::kProcessType);
-
-  upload_parameters_["process_type"] = type;
+void CrashReporter::SetUploadParameters(const StringMap& parameters) {
+  upload_parameters_ = parameters;
+  upload_parameters_["process_type"] = is_browser_ ? "browser" : "renderer";
 }
 
 }  // namespace crash_reporter
diff --git a/common/crash_reporter/crash_reporter.h b/common/crash_reporter/crash_reporter.h
index d9a57e710d2..3e61bcceed6 100644
--- a/common/crash_reporter/crash_reporter.h
+++ b/common/crash_reporter/crash_reporter.h
@@ -14,13 +14,16 @@ namespace crash_reporter {
 
 class CrashReporter {
  public:
+  typedef std::map<std::string, std::string> StringMap;
+
   static CrashReporter* GetInstance();
 
   void Start(std::string product_name,
              const std::string& company_name,
              const std::string& submit_url,
              bool auto_submit,
-             bool skip_system_crash_handler);
+             bool skip_system_crash_handler,
+             const StringMap& extra_parameters);
 
  protected:
   CrashReporter();
@@ -32,13 +35,14 @@ class CrashReporter {
                             const std::string& submit_url,
                             bool auto_submit,
                             bool skip_system_crash_handler) = 0;
-  virtual void SetUploadParameters();
+  virtual void SetUploadParameters() = 0;
 
-  typedef std::map<std::string, std::string> StringMap;
   StringMap upload_parameters_;
   bool is_browser_;
 
  private:
+  void SetUploadParameters(const StringMap& parameters);
+
   DISALLOW_COPY_AND_ASSIGN(CrashReporter);
 };