Always enable FCM on Windows.

content/shell/app/shell_main_delegate.cc

Index: content/shell/app/shell_main_delegate.cc
diff --git a/content/shell/app/shell_main_delegate.cc b/content/shell/app/shell_main_delegate.cc
index b5adadb176936a9ed68f4746bfc3708ee8ddeae5..4366ed306d93763f186cad76050fdff8e4df4aa0 100644
--- a/content/shell/app/shell_main_delegate.cc
+++ b/content/shell/app/shell_main_delegate.cc
@@ -18,6 +18,7 @@
 #include "content/shell/renderer/shell_content_renderer_client.h"
 #include "content/shell/shell_browser_main.h"
 #include "content/shell/shell_content_browser_client.h"
+#include "gpu/command_buffer/service/gpu_switches.h"
 #include "net/cookies/cookie_monster.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/base/ui_base_paths.h"
@@ -123,7 +124,8 @@ bool ShellMainDelegate::BasicStartupComplete(int* exit_code) {
     command_line.AppendSwitchASCII(
         switches::kUseGL, gfx::kGLImplementationOSMesaName);
 #endif
-    command_line.AppendSwitch(switches::kSkipGpuDataLoading);
+    command_line.AppendSwitch(switches::kIgnoreGpuBlacklist);
+    command_line.AppendSwitch(switches::kDisableGpuDriverBugWorkarounds);

[gab, 2013/08/15 20:07:49]

This more or less replicates the old behavior; if desire is to absolutely not
load GPU info then I guess we can keep --skip-gpu-data-loading around... WDYT?

     command_line.AppendSwitch(switches::kDisableGpuVsync);
     command_line.AppendSwitch(switches::kEnableExperimentalWebPlatformFeatures);
     command_line.AppendSwitch(switches::kEnableCssShaders);