Move IsStringASCII/UTF8 to base namespace.

content/renderer/media/android/webmediaplayer_android.cc

Index: content/renderer/media/android/webmediaplayer_android.cc
diff --git a/content/renderer/media/android/webmediaplayer_android.cc b/content/renderer/media/android/webmediaplayer_android.cc
index 65387b8f14fc1f71facdd394f786e04ce30406c9..a8de834e9da3a02cefd6875de8690d66327b20fc 100644
--- a/content/renderer/media/android/webmediaplayer_android.cc
+++ b/content/renderer/media/android/webmediaplayer_android.cc
@@ -1101,7 +1101,8 @@ const gfx::RectF WebMediaPlayerAndroid::GetBoundaryRectangle() {
 // Convert a WebString to ASCII, falling back on an empty string in the case
 // of a non-ASCII string.
 static std::string ToASCIIOrEmpty(const blink::WebString& string) {
-  return IsStringASCII(string) ? base::UTF16ToASCII(string) : std::string();
+  return base::IsStringASCII(string) ? base::UTF16ToASCII(string)
+                                     : std::string();
 }
 
 // Helper functions to report media EME related stats to UMA. They follow the