Move kFileScheme constant into content namespace.

chrome/browser/browsing_data/cookies_tree_model.cc

Index: chrome/browser/browsing_data/cookies_tree_model.cc
diff --git a/chrome/browser/browsing_data/cookies_tree_model.cc b/chrome/browser/browsing_data/cookies_tree_model.cc
index a6c737206b900f92a1cce700ce8f6efcb2d85f0e..51fe80d21f1044f5c709b8efc491db67aac535bc 100644
--- a/chrome/browser/browsing_data/cookies_tree_model.cc
+++ b/chrome/browser/browsing_data/cookies_tree_model.cc
@@ -72,7 +72,7 @@ std::string CanonicalizeHost(const GURL& url) {
   // "google.com".
 
   if (url.SchemeIsFile()) {
-    return std::string(chrome::kFileScheme) +
+    return std::string(content::kFileScheme) +
            content::kStandardSchemeSeparator;
   }
 
@@ -555,7 +555,7 @@ CookieTreeNode::DetailedInfo CookieTreeRootNode::GetDetailedInfo() const {
 // static
 base::string16 CookieTreeHostNode::TitleForUrl(const GURL& url) {
   const std::string file_origin_node_name(
-      std::string(chrome::kFileScheme) + content::kStandardSchemeSeparator);
+      std::string(content::kFileScheme) + content::kStandardSchemeSeparator);
   return base::UTF8ToUTF16(url.SchemeIsFile() ? file_origin_node_name
                                               : url.host());
 }
@@ -579,7 +579,7 @@ CookieTreeHostNode::~CookieTreeHostNode() {}
 
 const std::string CookieTreeHostNode::GetHost() const {
   const std::string file_origin_node_name(
-      std::string(chrome::kFileScheme) + content::kStandardSchemeSeparator);
+      std::string(content::kFileScheme) + content::kStandardSchemeSeparator);
   return url_.SchemeIsFile() ? file_origin_node_name : url_.host();
 }