cc: Remove all impl-side caps from RendererCapabilitiesImpl.

cc/output/renderer_capabilities_impl.h

Index: cc/output/renderer_capabilities_impl.h
diff --git a/cc/output/renderer_capabilities_impl.h b/cc/output/renderer_capabilities_impl.h
index f1ce345a22706283c0bac05232749c5f0b4a8fde..cef2d39a94081626c0fcae11a04aefd04b09d98b 100644
--- a/cc/output/renderer_capabilities_impl.h
+++ b/cc/output/renderer_capabilities_impl.h
@@ -15,21 +15,9 @@ struct RendererCapabilitiesImpl {
 
   // Capabilities copied to main thread.
   ResourceFormat best_texture_format = RGBA_8888;
-  bool allow_partial_texture_updates = false;
   int max_texture_size = 0;
   bool using_shared_memory_resources = false;
 
-  // Capabilities used on compositor thread only.
-  bool using_partial_swap = false;
-  // Whether it's valid to SwapBuffers with an empty rect. Trivially true when
-  // |using_partial_swap|.
-  bool allow_empty_swap = false;
-  bool using_egl_image = false;
-  bool using_image = false;
-  bool using_discard_framebuffer = false;
-  bool allow_rasterize_on_demand = false;
-  int max_msaa_samples = 0;
-
   RendererCapabilities MainThreadCapabilities() const;
 };