Clean content_settings_pattern_parser.* from unnecessary dependencies.

chrome/common/render_messages.cc

Index: chrome/common/render_messages.cc
diff --git a/chrome/common/render_messages.cc b/chrome/common/render_messages.cc
index ce17fa34c05387d5160474e058a9d074f7b299bc..093527426058911a75d14dfd33724ffa7fa5ba62 100644
--- a/chrome/common/render_messages.cc
+++ b/chrome/common/render_messages.cc
@@ -4,6 +4,8 @@
 
 #include "chrome/common/render_messages.h"
 
+#include "extensions/common/constants.h"
+
 namespace IPC {
 
 void ParamTraits<ContentSettingsPattern>::Write(
@@ -19,7 +21,7 @@ bool ParamTraits<ContentSettingsPattern>::Read(
 void ParamTraits<ContentSettingsPattern>::Log(
     const ContentSettingsPattern& p, std::string* l) {
   l->append("<ContentSettingsPattern: ");
-  l->append(p.ToString());
+  l->append(p.ToString(extensions::kExtensionScheme));
   l->append(">");
 }