Allow explicitly whitelisted apps/extensions in public sessions

net/base/url_util.h

Index: net/base/url_util.h
diff --git a/net/base/url_util.h b/net/base/url_util.h
index 5d5e58bc617950158014ad22f0f62f5d24d5dfcc..83d03562f86abf57a3db81b4ca408cb2f0956945 100644
--- a/net/base/url_util.h
+++ b/net/base/url_util.h
@@ -7,7 +7,9 @@
 
 #include <string>
 
+#include "base/compiler_specific.h"
 #include "net/base/net_export.h"
+#include "url/url_parse.h"
 
 class GURL;
 
@@ -44,6 +46,30 @@ NET_EXPORT GURL AppendOrReplaceQueryParameter(const GURL& url,
                                               const std::string& name,
                                               const std::string& value);
 
+// Iterates over the key-value pairs in the query portion of |url|.
+class NET_EXPORT QueryIterator {
+ public:
+  explicit QueryIterator(const GURL& url);
+  ~QueryIterator();
+
+  std::string GetKey() const;
+  std::string GetValue() const;
+  const std::string& GetUnescapedValue();
+
+  bool IsAtEnd() const;
+  void Advance();
+
+ private:
+  const GURL& url_;
+  url_parse::Component query_;
+  bool at_end_;
+  url_parse::Component key_;
+  url_parse::Component value_;
+  std::string unescaped_value_;
+
+  DISALLOW_COPY_AND_ASSIGN(QueryIterator);
+};
+
 // Looks for |search_key| in the query portion of |url|. Returns true if the
 // key is found and sets |out_value| to the unescaped value for the key.
 // Returns false if the key is not found.