1 files changed, 16 insertions, 2 deletions
diff --git a/include/perfetto/ext/base/string_view.h b/include/perfetto/ext/base/string_view.h
index dce2fdce2..81c1a75ac 100644
--- a/include/perfetto/ext/base/string_view.h
+++ b/include/perfetto/ext/base/string_view.h
@@ -106,7 +106,7 @@ class StringView {
     return StringView(data_ + pos, rcount);
   }
 
-  bool CaseInsensitiveEq(const StringView& other) {
+  bool CaseInsensitiveEq(const StringView& other) const {
     if (size() != other.size())
       return false;
     if (size() == 0)
@@ -118,8 +118,22 @@ class StringView {
 #endif
   }
 
+  bool StartsWith(const StringView& other) {
+    if (other.size() == 0)
+      return true;
+    if (size() == 0)
+      return false;
+    if (other.size() > size())
+      return false;
+    for (uint32_t i = 0; i < other.size(); ++i) {
+      if (at(i) != other.at(i))
+        return false;
+    }
+    return true;
+  }
+
   std::string ToStdString() const {
-    return data_ == nullptr ? "" : std::string(data_, size_);
+    return size_ == 0 ? "" : std::string(data_, size_);
   }
 
   uint64_t Hash() const {