cc: Delete all the RendererCapabilities.

cc/output/software_renderer.cc

Index: cc/output/software_renderer.cc
diff --git a/cc/output/software_renderer.cc b/cc/output/software_renderer.cc
index 5ea62fd142ad556b88a8014bcb0a27930314ddb9..958bfeea0ed50fa70fd91fd8e7037d8b1dd9fcdc 100644
--- a/cc/output/software_renderer.cc
+++ b/cc/output/software_renderer.cc
@@ -58,19 +58,10 @@ SoftwareRenderer::SoftwareRenderer(const RendererSettings* settings,
                                    ResourceProvider* resource_provider)
     : DirectRenderer(settings, output_surface, resource_provider),
       output_device_(output_surface->software_device()) {
-  if (resource_provider_) {
-    capabilities_.max_texture_size = resource_provider_->max_texture_size();
-    capabilities_.best_texture_format =
-        resource_provider_->best_texture_format();
-  }
 }
 
 SoftwareRenderer::~SoftwareRenderer() {}
 
-const RendererCapabilitiesImpl& SoftwareRenderer::Capabilities() const {
-  return capabilities_;
-}
-
 bool SoftwareRenderer::CanPartialSwap() {
   return true;
 }