GPU: Only restore one texture unit in ScopedTextureBinder.

gpu/command_buffer/service/gl_state_restorer_impl.cc

Index: gpu/command_buffer/service/gl_state_restorer_impl.cc
diff --git a/gpu/command_buffer/service/gl_state_restorer_impl.cc b/gpu/command_buffer/service/gl_state_restorer_impl.cc
index 710eb2a42330c7c948b1014ec717576758fc3c2e..5fbd425f695bc6153618509f0f42334b3631e380 100644
--- a/gpu/command_buffer/service/gl_state_restorer_impl.cc
+++ b/gpu/command_buffer/service/gl_state_restorer_impl.cc
@@ -34,6 +34,11 @@ void GLStateRestorerImpl::RestoreAllTextureUnitBindings() {
   decoder_->RestoreAllTextureUnitBindings(NULL);
 }
 
+void GLStateRestorerImpl::RestoreActiveTextureUnitBinding(unsigned int target) {
+  DCHECK(decoder_.get());
+  decoder_->RestoreActiveTextureUnitBinding(target);
+}
+
 void GLStateRestorerImpl::RestoreFramebufferBindings() {
   DCHECK(decoder_.get());
   decoder_->RestoreFramebufferBindings();