diff --git a/ipc/chromium/src/base/process_util.h b/ipc/chromium/src/base/process_util.h
index fe1b4d2b420..054cb647818 100644
--- a/ipc/chromium/src/base/process_util.h
+++ b/ipc/chromium/src/base/process_util.h
@@ -19,6 +19,7 @@
 #include <sys/types.h>
 #endif
 
+#include <map>
 #include <string>
 #include <vector>
 
@@ -132,6 +133,14 @@ typedef std::vector<std::pair<int, int> > file_handle_mapping_vector;
 bool LaunchApp(const std::vector<std::string>& argv,
                const file_handle_mapping_vector& fds_to_remap,
                bool wait, ProcessHandle* process_handle);
+
+#if defined(CHROMIUM_MOZILLA_BUILD) && defined(OS_LINUX)
+typedef std::map<std::string, std::string> environment_map;
+bool LaunchApp(const std::vector<std::string>& argv,
+               const file_handle_mapping_vector& fds_to_remap,
+               const environment_map& env_vars_to_set,
+               bool wait, ProcessHandle* process_handle);
+#endif
 #endif
 
 // Executes the application specified by cl. This function delegates to one
diff --git a/ipc/chromium/src/base/process_util_linux.cc b/ipc/chromium/src/base/process_util_linux.cc
index 3a567af1279..574ac6574f1 100644
--- a/ipc/chromium/src/base/process_util_linux.cc
+++ b/ipc/chromium/src/base/process_util_linux.cc
@@ -32,9 +32,21 @@ static mozilla::EnvironmentLog gProcessLog("MOZ_PROCESS_LOG");
 
 namespace base {
 
+#if defined(CHROMIUM_MOZILLA_BUILD)
 bool LaunchApp(const std::vector<std::string>& argv,
                const file_handle_mapping_vector& fds_to_remap,
                bool wait, ProcessHandle* process_handle) {
+  return LaunchApp(argv, fds_to_remap, environment_map(),
+                   wait, process_handle);
+}
+#endif
+
+bool LaunchApp(const std::vector<std::string>& argv,
+               const file_handle_mapping_vector& fds_to_remap,
+#if defined(CHROMIUM_MOZILLA_BUILD)
+               const environment_map& env_vars_to_set,
+#endif
+               bool wait, ProcessHandle* process_handle) {
   pid_t pid = fork();
   if (pid < 0)
     return false;
@@ -51,6 +63,14 @@ bool LaunchApp(const std::vector<std::string>& argv,
 
     CloseSuperfluousFds(fd_shuffle);
 
+#if defined(CHROMIUM_MOZILLA_BUILD)
+    for (environment_map::const_iterator it = env_vars_to_set.begin();
+         it != env_vars_to_set.end(); ++it) {
+      if (setenv(it->first.c_str(), it->second.c_str(), 1/*overwrite*/))
+        exit(127);
+    }
+#endif
+
     scoped_array<char*> argv_cstr(new char*[argv.size() + 1]);
     for (size_t i = 0; i < argv.size(); i++)
       argv_cstr[i] = const_cast<char*>(argv[i].c_str());
diff --git a/ipc/glue/GeckoChildProcessHost.cpp b/ipc/glue/GeckoChildProcessHost.cpp
index 58beb1d1e82..b35498b54b5 100644
--- a/ipc/glue/GeckoChildProcessHost.cpp
+++ b/ipc/glue/GeckoChildProcessHost.cpp
@@ -51,8 +51,13 @@
 #endif
 #include "nsExceptionHandler.h"
 
+#include "nsDirectoryServiceDefs.h"
+#include "nsIFile.h"
+
 #include "mozilla/ipc/BrowserProcessSubThread.h"
 
+using base::environment_map;
+
 using mozilla::MonitorAutoEnter;
 using mozilla::ipc::GeckoChildProcessHost;
 
@@ -180,18 +185,20 @@ GeckoChildProcessHost::PerformAsyncLaunch(std::vector<std::string> aExtraOpts)
   // we split the logic here.
 
   FilePath exePath;
+  environment_map newEnvVars;
 
   nsCOMPtr<nsIProperties> directoryService(do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID));
   nsCOMPtr<nsIFile> greDir;
   nsresult rv = directoryService->Get(NS_GRE_DIR, NS_GET_IID(nsIFile), getter_AddRefs(greDir));
-  if (NS_SUCCEEDED(rv))
-  {
+  if (NS_SUCCEEDED(rv)) {
     nsCString path;
     greDir->GetNativePath(path);
     exePath = FilePath(path.get());
+#ifdef OS_LINUX
+    newEnvVars["LD_LIBRARY_PATH"] = path.get();
+#endif
   }
-  else
-  {
+  else {
     exePath = FilePath(CommandLine::ForCurrentProcess()->argv()[0]);
     exePath = exePath.DirName();
   }
@@ -231,7 +238,11 @@ GeckoChildProcessHost::PerformAsyncLaunch(std::vector<std::string> aExtraOpts)
   }
 #endif
 
-  base::LaunchApp(childArgv, mFileMap, false, &process);
+  base::LaunchApp(childArgv, mFileMap,
+#ifdef OS_LINUX
+                  newEnvVars,
+#endif
+                  false, &process);
 
 //--------------------------------------------------
 #elif defined(OS_WIN)
diff --git a/ipc/glue/GeckoChildProcessHost.h b/ipc/glue/GeckoChildProcessHost.h
index 6c67cd61ebb..5e71d0f1617 100644
--- a/ipc/glue/GeckoChildProcessHost.h
+++ b/ipc/glue/GeckoChildProcessHost.h
@@ -47,9 +47,6 @@
 
 #include "nsXULAppAPI.h"        // for GeckoProcessType
 
-#include "nsDirectoryServiceDefs.h"
-#include "nsIFile.h"
-
 namespace mozilla {
 namespace ipc {