Bug 962314 - Create nsIXULAppinfo.processID for obtaining Firefox PID; r=bsmedberg

--HG--
extra : rebase_source : 36536f7ed561dda55bc067a4d0d9ddef790bed17

toolkit/xre/nsAppRunner.cpp

@@ -790,6 +790,17 @@ nsXULAppInfo::GetProcessType(uint32_t* aResult)
   return NS_OK;
 }
 
+NS_IMETHODIMP
+nsXULAppInfo::GetProcessID(uint32_t* aResult)
+{
+#ifdef XP_WIN
+  *aResult = GetCurrentProcessId();
+#else
+  *aResult = getpid();
+#endif
+  return NS_OK;
+}
+
 static bool gBrowserTabsRemote = false;
 static bool gBrowserTabsRemoteInitialized = false;
 

xpcom/system/nsIXULRuntime.idl

@@ -20,7 +20,7 @@ bool BrowserTabsRemote();
  *                    stable/frozen, please contact Benjamin Smedberg.
  */
 
-[scriptable, uuid(ef6df588-f0bf-4e38-949e-9de838c228ea)]
+[scriptable, uuid(e080b1f6-8452-4bde-9368-c795808b86d1)]
 interface nsIXULRuntime : nsISupports
 {
   /**
@@ -76,6 +76,11 @@ interface nsIXULRuntime : nsISupports
    */
   readonly attribute unsigned long processType;
 
+  /**
+   * The system process ID of the caller's process.
+   */
+  readonly attribute unsigned long processID;
+
   /**
    * If true, browser tabs may be opened in a different process from the main
    * browser UI.