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diff --git a/gfx/angle/checkout/src/common/system_utils.h b/gfx/angle/checkout/src/common/system_utils.h
new file mode 100644
index 0000000000..efd8a98124
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+++ b/gfx/angle/checkout/src/common/system_utils.h
@@ -0,0 +1,84 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// system_utils.h: declaration of OS-specific utility functions
+
+#ifndef COMMON_SYSTEM_UTILS_H_
+#define COMMON_SYSTEM_UTILS_H_
+
+#include "common/Optional.h"
+#include "common/angleutils.h"
+
+#include <string>
+
+namespace angle
+{
+std::string GetExecutableName();
+std::string GetExecutablePath();
+std::string GetExecutableDirectory();
+std::string GetHelperExecutableDir();
+const char *GetSharedLibraryExtension();
+const char *GetExecutableExtension();
+char GetPathSeparator();
+Optional<std::string> GetCWD();
+bool SetCWD(const char *dirName);
+bool SetEnvironmentVar(const char *variableName, const char *value);
+bool UnsetEnvironmentVar(const char *variableName);
+std::string GetEnvironmentVar(const char *variableName);
+std::string GetEnvironmentVarOrUnCachedAndroidProperty(const char *variableName,
+                                                       const char *propertyName);
+std::string GetEnvironmentVarOrAndroidProperty(const char *variableName, const char *propertyName);
+const char *GetPathSeparatorForEnvironmentVar();
+bool PrependPathToEnvironmentVar(const char *variableName, const char *path);
+bool IsDirectory(const char *filename);
+
+// Get absolute time in seconds.  Use this function to get an absolute time with an unknown origin.
+double GetCurrentTime();
+
+// Run an application and get the output.  Gets a nullptr-terminated set of args to execute the
+// application with, and returns the stdout and stderr outputs as well as the exit code.
+//
+// Pass nullptr for stdoutOut/stderrOut if you don't need to capture. exitCodeOut is required.
+//
+// Returns false if it fails to actually execute the application.
+bool RunApp(const std::vector<const char *> &args,
+            std::string *stdoutOut,
+            std::string *stderrOut,
+            int *exitCodeOut);
+
+class Library : angle::NonCopyable
+{
+  public:
+    virtual ~Library() {}
+    virtual void *getSymbol(const char *symbolName) = 0;
+    virtual void *getNative() const                 = 0;
+
+    template <typename FuncT>
+    void getAs(const char *symbolName, FuncT *funcOut)
+    {
+        *funcOut = reinterpret_cast<FuncT>(getSymbol(symbolName));
+    }
+};
+
+// Use SYSTEM_DIR to bypass loading ANGLE libraries with the same name as system DLLS
+// (e.g. opengl32.dll)
+enum class SearchType
+{
+    ApplicationDir,
+    SystemDir
+};
+
+Library *OpenSharedLibrary(const char *libraryName, SearchType searchType);
+Library *OpenSharedLibraryWithExtension(const char *libraryName);
+
+// Returns true if the process is currently being debugged.
+bool IsDebuggerAttached();
+
+// Calls system APIs to break into the debugger.
+void BreakDebugger();
+}  // namespace angle
+
+#endif  // COMMON_SYSTEM_UTILS_H_