Add sanbdoxed_pages to allow extension/app pages to be served in a sandboxed, unique origin

chrome/common/extensions/extension.h

Index: chrome/common/extensions/extension.h
diff --git a/chrome/common/extensions/extension.h b/chrome/common/extensions/extension.h
index 11915a7ed8cddc22ef28465c66363396d1c51e86..aa3625b247e9bd488277b3a8f61c383e7e7ea1b6 100644
--- a/chrome/common/extensions/extension.h
+++ b/chrome/common/extensions/extension.h
@@ -333,6 +333,10 @@ class Extension : public base::RefCountedThreadSafe<Extension> {
   // Returns true when 'web_accessible_resources' are defined for the extension.
   bool HasWebAccessibleResources() const;
 
+  // Returns true if the specified resource should be served in a sandboxed
+  // unique origin.
+  bool IsResourceSandboxed(const std::string& relative_path) const;
+
   // Returns an extension resource object. |relative_path| should be UTF8
   // encoded.
   ExtensionResource GetResource(const std::string& relative_path) const;
@@ -739,6 +743,7 @@ class Extension : public base::RefCountedThreadSafe<Extension> {
   bool LoadPlugins(string16* error);
   bool LoadNaClModules(string16* error);
   bool LoadWebAccessibleResources(string16* error);
+  bool LoadSandboxedResources(string16* error);
   bool CheckRequirements(string16* error);
   bool LoadDefaultLocale(string16* error);
   bool LoadOfflineEnabled(string16* error);
@@ -947,6 +952,10 @@ class Extension : public base::RefCountedThreadSafe<Extension> {
   // Optional list of web accessible extension resources.
   base::hash_set<std::string> web_accessible_resources_;
 
+  // Optional list of web extension resources that are sandboxed (served from
+  // a unique origin).
+  base::hash_set<std::string> sandboxed_resources_;
+
   // Optional URL to a master page of which a single instance should be always
   // loaded in the background.
   GURL background_url_;