Move StartsWith[ASCII] to base namespace.

content/browser/download/download_stats.cc

Index: content/browser/download/download_stats.cc
diff --git a/content/browser/download/download_stats.cc b/content/browser/download/download_stats.cc
index d673f866fe0d72d8b19832150743835faf33234e..1dec4d66980ea943b1c6a729700af36d979dfe83 100644
--- a/content/browser/download/download_stats.cc
+++ b/content/browser/download/download_stats.cc
@@ -467,14 +467,14 @@ void RecordDownloadMimeType(const std::string& mime_type_string) {
 
   // Do partial matches.
   if (download_content == DOWNLOAD_CONTENT_UNRECOGNIZED) {
-    if (StartsWithASCII(mime_type_string, "text/", true)) {
+    if (base::StartsWithASCII(mime_type_string, "text/", true)) {
       download_content = DOWNLOAD_CONTENT_TEXT;
-    } else if (StartsWithASCII(mime_type_string, "image/", true)) {
+    } else if (base::StartsWithASCII(mime_type_string, "image/", true)) {
       download_content = DOWNLOAD_CONTENT_IMAGE;
       RecordDownloadImageType(mime_type_string);
-    } else if (StartsWithASCII(mime_type_string, "audio/", true)) {
+    } else if (base::StartsWithASCII(mime_type_string, "audio/", true)) {
       download_content = DOWNLOAD_CONTENT_AUDIO;
-    } else if (StartsWithASCII(mime_type_string, "video/", true)) {
+    } else if (base::StartsWithASCII(mime_type_string, "video/", true)) {
       download_content = DOWNLOAD_CONTENT_VIDEO;
     }
   }