Force delegated renderer on Aura

content/browser/gpu/compositor_util.cc

Index: content/browser/gpu/compositor_util.cc
diff --git a/content/browser/gpu/compositor_util.cc b/content/browser/gpu/compositor_util.cc
index 9270300d2968439ed06686719c548c4cbe29232b..259bb50561947225da8520d40dac3b0d0b551381 100644
--- a/content/browser/gpu/compositor_util.cc
+++ b/content/browser/gpu/compositor_util.cc
@@ -103,4 +103,23 @@ bool IsForceCompositingModeEnabled() {
          trial->group_name() == kGpuCompositingFieldTrialThreadEnabledName);
 }
 
+bool IsDelegatedRendererEnabled() {
+  const CommandLine& command_line = *CommandLine::ForCurrentProcess();
+  bool enabled = false;
+#if defined(USE_AURA)

[danakj, 2013/08/30 00:10:08]

nit: space above this.

[piman, 2013/08/30 04:01:20]

Done.

+  // Default to true on Aura, but allow override via flags.
+  enabled = true;
+#endif
+
+  // Flags override.
+  enabled |= command_line.HasSwitch(switches::kEnableDelegatedRenderer);
+  enabled &= !command_line.HasSwitch(switches::kDisableDelegatedRenderer);
+
+  // Needs compositing, and thread.
+  enabled &= IsForceCompositingModeEnabled();

[danakj, 2013/08/30 00:10:08]

maybe LOG(ERROR) if one of these causes it to be disabled? or even DCHECK?

[piman, 2013/08/30 04:01:20]

Done.

+  enabled &= IsThreadedCompositingEnabled();
+
+  return enabled;
+}
+
 }  // namespace content