GPU Program Caching

gpu/command_buffer/service/shader_translator.h

Index: gpu/command_buffer/service/shader_translator.h
diff --git a/gpu/command_buffer/service/shader_translator.h b/gpu/command_buffer/service/shader_translator.h
index 9173740170de0c2abb4fbadd90f967c33dbb71b9..ee1ff1107646ce6a8b8d527d148024e8a96bd8d0 100644
--- a/gpu/command_buffer/service/shader_translator.h
+++ b/gpu/command_buffer/service/shader_translator.h
@@ -64,6 +64,13 @@ class ShaderTranslatorInterface {
           size(_size),
           name(_name) {
     }
+    bool operator==(
+        const ShaderTranslatorInterface::VariableInfo& other) const {
+      return type == other.type &&
+             size == other.size &&
+             strcmp(name.c_str(), other.name.c_str()) == 0;
+    }
+
     int type;
     int size;
     std::string name;  // name in the original shader source.