GLContext: Remove WasDirtiedExternally methods

gpu/command_buffer/service/gl_context_virtual.cc

Index: gpu/command_buffer/service/gl_context_virtual.cc
diff --git a/gpu/command_buffer/service/gl_context_virtual.cc b/gpu/command_buffer/service/gl_context_virtual.cc
index 77341a9cb3f857d515d4973ba1913a5985cdc2c8..998d553d69ae97cf21dcd3a8addfdf5bc5eb36ad 100644
--- a/gpu/command_buffer/service/gl_context_virtual.cc
+++ b/gpu/command_buffer/service/gl_context_virtual.cc
@@ -106,21 +106,6 @@ void GLContextVirtual::SetUnbindFboOnMakeCurrent() {
   shared_context_->SetUnbindFboOnMakeCurrent();
 }
 
-base::Closure GLContextVirtual::GetStateWasDirtiedExternallyCallback() {
-  return shared_context_->GetStateWasDirtiedExternallyCallback();
-}
-
-void GLContextVirtual::RestoreStateIfDirtiedExternally() {
-  // The dirty bit should only be cleared after the state has been restored,
-  // which should be done only when the context is current.
-  DCHECK(IsCurrent(NULL));
-  if (!shared_context_->GetStateWasDirtiedExternally())
-    return;
-  gfx::ScopedSetGLToRealGLApi scoped_set_gl_api;
-  GetGLStateRestorer()->RestoreState(NULL);
-  shared_context_->SetStateWasDirtiedExternally(false);
-}
-
 GLContextVirtual::~GLContextVirtual() {
   Destroy();
 }