Remove the kDisableGpuProcessPrelaunch flag and disable tests.

content/browser/browser_main_loop.cc

Index: content/browser/browser_main_loop.cc
diff --git a/content/browser/browser_main_loop.cc b/content/browser/browser_main_loop.cc
index 89a52819615fd28c247037e4dcaed06f40c0ba24..ab045e4fadab4008f4545ea6fdd1aaaadb4dded4 100644
--- a/content/browser/browser_main_loop.cc
+++ b/content/browser/browser_main_loop.cc
@@ -959,7 +959,6 @@ int BrowserMainLoop::BrowserThreadsStarted() {
   bool established_gpu_channel = false;
 #if defined(USE_AURA) || defined(OS_ANDROID)
   established_gpu_channel =

[no sievers, 2014/03/29 20:50:19]

Should be initialized to |true| I think.

[danakj, 2014/03/31 14:40:43]

Oh, yah, thanks.

-      !parsed_command_line_.HasSwitch(switches::kDisableGpuProcessPrelaunch) ||
       parsed_command_line_.HasSwitch(switches::kSingleProcess) ||
       parsed_command_line_.HasSwitch(switches::kInProcessGPU);
 #if defined(USE_AURA)
@@ -1032,7 +1031,6 @@ int BrowserMainLoop::BrowserThreadsStarted() {
   if (GpuDataManagerImpl::GetInstance()->GpuAccessAllowed(NULL) &&
       !established_gpu_channel &&
       always_uses_gpu &&
-      !parsed_command_line_.HasSwitch(switches::kDisableGpuProcessPrelaunch) &&
       !parsed_command_line_.HasSwitch(switches::kSingleProcess) &&
       !parsed_command_line_.HasSwitch(switches::kInProcessGPU)) {
     TRACE_EVENT_INSTANT0("gpu", "Post task to launch GPU process",