Tracing: do not pass entire trace content in TraceDataEndpoint::ReceiveTraceFinalContents

content/browser/tracing/tracing_controller_browsertest.cc

Index: content/browser/tracing/tracing_controller_browsertest.cc
diff --git a/content/browser/tracing/tracing_controller_browsertest.cc b/content/browser/tracing/tracing_controller_browsertest.cc
index 52401ee06d7f759ff72f925fd23b614730e7a086..47d60b595b1fd241d6f833df3370debdb6e2b3b7 100644
--- a/content/browser/tracing/tracing_controller_browsertest.cc
+++ b/content/browser/tracing/tracing_controller_browsertest.cc
@@ -71,13 +71,9 @@ class TracingControllerTestEndpoint : public TraceDataEndpoint {
   }
 
   void ReceiveTraceFinalContents(
-      std::unique_ptr<const base::DictionaryValue> metadata,
-      const std::string& contents) override {
-    EXPECT_EQ(trace_, contents);
-
-    std::string tmp = contents;
+      std::unique_ptr<const base::DictionaryValue> metadata) override {
     scoped_refptr<base::RefCountedString> chunk_ptr =
-        base::RefCountedString::TakeString(&tmp);
+        base::RefCountedString::TakeString(&trace_);
 
     BrowserThread::PostTask(
         BrowserThread::UI, FROM_HERE,