content: Partial copy workaround for devices with known upload performance problems.

gpu/command_buffer/service/gles2_cmd_decoder.cc

Index: gpu/command_buffer/service/gles2_cmd_decoder.cc
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder.cc b/gpu/command_buffer/service/gles2_cmd_decoder.cc
index 53e95b49a9b7ede045f0ffe7a28bc064962ca733..9c66e44063e2a2849da6a897fae1e267ec7570c7 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder.cc
+++ b/gpu/command_buffer/service/gles2_cmd_decoder.cc
@@ -3127,6 +3127,8 @@ Capabilities GLES2DecoderImpl::GetCapabilities() {
   caps.blend_equation_advanced_coherent =
       feature_info_->feature_flags().blend_equation_advanced_coherent;
   caps.texture_rg = feature_info_->feature_flags().ext_texture_rg;
+  caps.max_copy_texture_chromium_size =
+      feature_info_->workarounds().max_copy_texture_chromium_size;
   return caps;
 }