Fix printf format specifier when printing FilePath

chrome/browser/media/chrome_webrtc_audio_quality_browsertest.cc

Index: chrome/browser/media/chrome_webrtc_audio_quality_browsertest.cc
diff --git a/chrome/browser/media/chrome_webrtc_audio_quality_browsertest.cc b/chrome/browser/media/chrome_webrtc_audio_quality_browsertest.cc
index ba1c762b3d22487c6fd37ddf5ba1d62e3ab07c6e..41b733eae763fe1650d36b96b7b0a78827e4a084 100644
--- a/chrome/browser/media/chrome_webrtc_audio_quality_browsertest.cc
+++ b/chrome/browser/media/chrome_webrtc_audio_quality_browsertest.cc
@@ -482,7 +482,7 @@ base::FilePath CreateTemporaryWaveFile() {
 
 void DeleteFileUnlessTestFailed(const base::FilePath& path, bool recursive) {
   if (::testing::Test::HasFailure())
-    printf("Test failed; keeping recording(s) at\n\t%s.\n",
+    printf("Test failed; keeping recording(s) at\n\t%" PRFilePath ".\n",
            path.value().c_str());
   else
     EXPECT_TRUE(base::DeleteFile(path, recursive));