Revert r46023: "Detect new instance of the browser when running in the background in persistent"

chrome/app/client_util.cc

Index: chrome/app/client_util.cc
diff --git a/chrome/app/client_util.cc b/chrome/app/client_util.cc
index c822ec8495a6d7293953f60c828adc4bf8eb3f75..074b6c826ab4c96c389a966eabaff9f4c3fb7965 100644
--- a/chrome/app/client_util.cc
+++ b/chrome/app/client_util.cc
@@ -18,8 +18,6 @@ namespace {
 // The entry point signature of chrome.dll.
 typedef int (*DLL_MAIN)(HINSTANCE, sandbox::SandboxInterfaceInfo*, wchar_t*);
 
-typedef void (*RelaunchChromeBrowserWithNewCommandLineIfNeededFunc)();
-
 // Not generic, we only handle strings up to 128 chars.
 bool ReadRegistryStr(HKEY key, const wchar_t* name, std::wstring* value) {
   BYTE out[128 * sizeof(wchar_t)];
@@ -198,19 +196,6 @@ int MainDllLoader::Launch(HINSTANCE instance,
   return OnBeforeExit(rc);
 }
 
-void MainDllLoader::RelaunchChromeBrowserWithNewCommandLineIfNeeded() {
-  RelaunchChromeBrowserWithNewCommandLineIfNeededFunc relaunch_function =
-      reinterpret_cast<RelaunchChromeBrowserWithNewCommandLineIfNeededFunc>(
-          ::GetProcAddress(dll_,
-                           "RelaunchChromeBrowserWithNewCommandLineIfNeeded"));
-  if (!relaunch_function) {
-    LOG(ERROR) << "Could not find exported function "
-               << "RelaunchChromeBrowserWithNewCommandLineIfNeeded";
-  } else {
-    relaunch_function();
-  }
-}
-
 //=============================================================================
 
 class ChromeDllLoader : public MainDllLoader {