Move some content url constants to /url.

extensions/common/url_pattern.cc

Index: extensions/common/url_pattern.cc
diff --git a/extensions/common/url_pattern.cc b/extensions/common/url_pattern.cc
index 477d3ddf080f65ea762dad056e27b11622d213cc..ff8c38922e185e6d0ffe3a57fa21c14bb7b325ae 100644
--- a/extensions/common/url_pattern.cc
+++ b/extensions/common/url_pattern.cc
@@ -10,6 +10,7 @@
 #include "base/strings/string_util.h"
 #include "content/public/common/url_constants.h"
 #include "extensions/common/constants.h"
+#include "net/base/url_constants.h"
 #include "url/gurl.h"
 #include "url/url_util.h"
 
@@ -20,13 +21,10 @@ namespace {
 // TODO(aa): What about more obscure schemes like data: and javascript: ?
 // Note: keep this array in sync with kValidSchemeMasks.
 const char* kValidSchemes[] = {
-  content::kHttpScheme,
-  content::kHttpsScheme,
-  content::kFileScheme,
-  content::kFtpScheme,
-  content::kChromeUIScheme,
-  extensions::kExtensionScheme,
-  content::kFileSystemScheme,
+    net::kHttpScheme,           net::kHttpsScheme,
+    content::kFileScheme,       content::kFtpScheme,
+    content::kChromeUIScheme,   extensions::kExtensionScheme,
+    content::kFileSystemScheme,
 };
 
 const int kValidSchemeMasks[] = {
@@ -365,7 +363,7 @@ bool URLPattern::MatchesScheme(const std::string& test) const {
 }
 
 bool URLPattern::MatchesHost(const std::string& host) const {
-  std::string test(content::kHttpScheme);
+  std::string test(net::kHttpScheme);
   test += content::kStandardSchemeSeparator;
   test += host;
   test += "/";