Roll third_party/inspector_protocol to efefa86c3183d307f0a0e53bf568fe57c5b58849

components/ui_devtools/string_util.h

Index: components/ui_devtools/string_util.h
diff --git a/components/ui_devtools/string_util.h b/components/ui_devtools/string_util.h
index 4efb835380f6a18569a0e54b06ca8fae1f7f9232..d08b8b6f22f68474b50ba3115e63e129d4e8e7bc 100644
--- a/components/ui_devtools/string_util.h
+++ b/components/ui_devtools/string_util.h
@@ -45,6 +45,11 @@ class StringUtil {
   static String fromDouble(double number) {
     return base::DoubleToString(number);
   }
+  static double toDouble(const char* s, size_t len, bool* ok) {
+    double v = 0.0;
+    *ok = base::StringToDouble(std::string(s, len), &v);
+    return *ok ? v : 0.0;
+  }
   static void builderAppend(StringBuilder& builder, const String& s) {
     builder.append(s);
   }