Don't pass the return value of CString::data() to a TRACE_EVENT

(cherry picked from commit 50c7391c22737e14a73e127e7ff027c62efb1286)

Bug: 964768
Change-Id: I59c2384cda133f97730e88a266bba542aeaaa828
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1637864
Reviewed-by: Vlad Tsyrklevich <vtsyrklevich@chromium.org>
Commit-Queue: Nate Chapin <japhet@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#665185}
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1663353
Cr-Commit-Position: refs/branch-heads/3809@{#392}
Cr-Branched-From: d82dec1a818f378c464ba307ddd9c92133eac355-refs/heads/master@{#665002}

diff --git a/third_party/blink/renderer/core/frame/frame_serializer.cc b/third_party/blink/renderer/core/frame/frame_serializer.cc
index e2333d9..bbdbbd0 100644
--- a/third_party/blink/renderer/core/frame/frame_serializer.cc
+++ b/third_party/blink/renderer/core/frame/frame_serializer.cc

@@ -369,7 +369,7 @@
   }
 
   TRACE_EVENT2("page-serialization", "FrameSerializer::serializeCSSStyleSheet",
-               "type", "CSS", "url", url.ElidedString().Utf8().data());
+               "type", "CSS", "url", url.ElidedString().Utf8());
   // Only report UMA metric if this is not a reentrant CSS serialization call.
   TimeTicks css_start_time;
   if (!is_serializing_css_) {
@@ -496,7 +496,7 @@
     loaded_image_count_++;
 
   TRACE_EVENT2("page-serialization", "FrameSerializer::addImageToResources",
-               "type", "image", "url", url.ElidedString().Utf8().data());
+               "type", "image", "url", url.ElidedString().Utf8());
   base::TimeTicks image_start_time = CurrentTimeTicks();
 
   scoped_refptr<const SharedBuffer> data = image->GetImage()->Data();

diff --git a/third_party/blink/renderer/core/loader/document_loader.cc b/third_party/blink/renderer/core/loader/document_loader.cc
index c2214f3..4a4e6d9 100644
--- a/third_party/blink/renderer/core/loader/document_loader.cc
+++ b/third_party/blink/renderer/core/loader/document_loader.cc

@@ -402,7 +402,7 @@
       single_page_app_navigation_type, kSPANavTypeCount);
 
   TRACE_EVENT1("blink", "FrameLoader::updateForSameDocumentNavigation", "url",
-               new_url.GetString().Ascii().data());
+               new_url.GetString().Ascii());
 
   // Generate start and stop notifications only when loader is completed so that
   // we don't fire them for fragment redirection that happens in window.onload