Move GPU blacklist calculation to GPU proc

content/renderer/render_thread_impl.cc

Index: content/renderer/render_thread_impl.cc
diff --git a/content/renderer/render_thread_impl.cc b/content/renderer/render_thread_impl.cc
index 45678d19a939b0bec6864ddc6aca43a1d66fc21f..4268210303a7eb4fdabb92e462af86ec8c08442c 100644
--- a/content/renderer/render_thread_impl.cc
+++ b/content/renderer/render_thread_impl.cc
@@ -778,8 +778,6 @@ void RenderThreadImpl::Init(
 #endif
   }
 
-  is_gpu_rasterization_enabled_ =
-      command_line.HasSwitch(switches::kEnableGpuRasterization);
   is_gpu_rasterization_forced_ =
       command_line.HasSwitch(switches::kForceGpuRasterization);
   is_async_worker_context_enabled_ =
@@ -1496,10 +1494,6 @@ bool RenderThreadImpl::IsGpuRasterizationForced() {
   return is_gpu_rasterization_forced_;
 }
 
-bool RenderThreadImpl::IsGpuRasterizationEnabled() {
-  return is_gpu_rasterization_enabled_;
-}
-
 bool RenderThreadImpl::IsAsyncWorkerContextEnabled() {
   return is_async_worker_context_enabled_;
 }