Move LoadLibraryAndPrintError helpers to common gl_implementation.h/.cc

ui/gl/gl_implementation.h

Index: ui/gl/gl_implementation.h
diff --git a/ui/gl/gl_implementation.h b/ui/gl/gl_implementation.h
index eab70dc35989579cc2d56998024fc568c0d222ab..502daeefbd82ae874294f5332e9d8c8dc53f4d74 100644
--- a/ui/gl/gl_implementation.h
+++ b/ui/gl/gl_implementation.h
@@ -8,6 +8,7 @@
 #include <string>
 #include <vector>
 
+#include "base/files/file_path.h"
 #include "base/native_library.h"
 #include "build/build_config.h"
 #include "ui/gl/gl_export.h"
@@ -135,6 +136,11 @@ GL_EXPORT std::string GetGLExtensionsFromCurrentContext();
 // be used in the function above.
 GL_EXPORT bool WillUseGLGetStringForExtensions();
 
+// Helpers to load a library and log error on failure.
+base::NativeLibrary LoadLibraryAndPrintError(
+    const base::FilePath::CharType* filename);
+base::NativeLibrary LoadLibraryAndPrintError(const base::FilePath& filename);
+
 }  // namespace gfx
 
 #endif  // UI_GL_GL_IMPLEMENTATION_H_