DevTools: normalize native breakpoint names.

third_party/WebKit/Source/core/dom/Document.cpp

Index: third_party/WebKit/Source/core/dom/Document.cpp
diff --git a/third_party/WebKit/Source/core/dom/Document.cpp b/third_party/WebKit/Source/core/dom/Document.cpp
index 13c590feef862ddb9edb151d758d49a7525602e5..fba8fdc95b8625862b6d25e09f62c6e1cd623424 100644
--- a/third_party/WebKit/Source/core/dom/Document.cpp
+++ b/third_party/WebKit/Source/core/dom/Document.cpp
@@ -3184,7 +3184,7 @@ void Document::write(const SegmentedString& text,
       this, PerformanceMonitor::kDiscouragedAPIUse,
       "Avoid using document.write().", 0, nullptr);
   InspectorInstrumentation::NativeBreakpoint nativeBreakpoint(
-      this, "document.write", true);
+      this, "Document.write", true);
   m_parser->insert(text);
 }