android_webview: Change auto to not deduce raw pointers.

android_webview/renderer/aw_content_renderer_client.cc

Index: android_webview/renderer/aw_content_renderer_client.cc
diff --git a/android_webview/renderer/aw_content_renderer_client.cc b/android_webview/renderer/aw_content_renderer_client.cc
index eaceec574351aec7806f95090d1ff6094716a544..e486795e92d6f3f49ba521c972d314cc457b6d0b 100644
--- a/android_webview/renderer/aw_content_renderer_client.cc
+++ b/android_webview/renderer/aw_content_renderer_client.cc
@@ -237,7 +237,7 @@ bool AwContentRendererClient::ShouldUseMediaPlayerForURL(const GURL& url) {
   static const char* kMediaPlayerExtensions[] = {
       ".3gp",  ".ts",    ".flac", ".mid", ".xmf",
       ".mxmf", ".rtttl", ".rtx",  ".ota", ".imy"};
-  for (const auto& extension : kMediaPlayerExtensions) {
+  for (auto* extension : kMediaPlayerExtensions) {
     if (base::EndsWith(url.path(), extension,
                        base::CompareCase::INSENSITIVE_ASCII)) {
       return true;