Change the permission check for Pepper socket API to support both the public and private APIs.

chrome/common/pepper_permission_util.h

Index: chrome/common/pepper_permission_util.h
diff --git a/chrome/common/pepper_permission_util.h b/chrome/common/pepper_permission_util.h
index 8ff9e843c328eac2f08cbe830246425a3a83873c..81e48bae6adad1fe8716b984e650b24e39952b40 100644
--- a/chrome/common/pepper_permission_util.h
+++ b/chrome/common/pepper_permission_util.h
@@ -13,14 +13,21 @@ class GURL;
 
 namespace chrome {
 
-// Returns true if the extension (or an imported module if any) is whitelisted,
-// or appears in command_line_switch.
+// Returns true if the extension (or an imported module if any) is whitelisted.
 bool IsExtensionOrSharedModuleWhitelisted(
     const GURL& url,
     const ExtensionSet* extension_set,
-    const std::set<std::string>& whitelist,
-    const char* command_line_switch);
+    const std::set<std::string>& whitelist);
 
+// Checks whether the host of |url| is allowed by |command_line_switch|.
+//
+// If the value of |command_line_switch| is:
+// (1) '*': returns true for any packaged or platform apps;
+// (2) a list of host names separated by ',': returns true if |host| is in the
+//     list. (NOTE: In this case, |url| doesn't have to belong to an extension.)
+bool IsHostAllowedByCommandLine(const GURL& url,
+                                const ExtensionSet* extension_set,
+                                const char* command_line_switch);
 }  // namespace chrome
 
 #endif  // CHROME_COMMON_PEPPER_PERMISSION_UTIL_H_