Rename SecurityOriginCache to URLSecurityOriginMap

third_party/WebKit/Source/core/html/PublicURLManager.h

Index: third_party/WebKit/Source/core/html/PublicURLManager.h
diff --git a/third_party/WebKit/Source/core/html/PublicURLManager.h b/third_party/WebKit/Source/core/html/PublicURLManager.h
index ec5943508559e40b14ae7af204f6192378287e06..5bdde1b5ae7286285b28d15f0d9b4f823ca5a30e 100644
--- a/third_party/WebKit/Source/core/html/PublicURLManager.h
+++ b/third_party/WebKit/Source/core/html/PublicURLManager.h
@@ -29,14 +29,12 @@
 #include "core/dom/ActiveDOMObject.h"
 #include "platform/heap/Handle.h"
 #include "wtf/HashMap.h"
-#include "wtf/HashSet.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 class KURL;
 class ExecutionContext;
-class SecurityOrigin;
 class URLRegistry;
 class URLRegistrable;
 
@@ -45,8 +43,18 @@ class PublicURLManager final : public GarbageCollectedFinalized<PublicURLManager
 public:
     static PublicURLManager* create(ExecutionContext*);
 
-    void registerURL(SecurityOrigin*, const KURL&, URLRegistrable*, const String& uuid = String());
+    // Generates a new Blob URL and registers the URLRegistrable to the
+    // corresponding URLRegistry with the Blob URL. Returns the serialization
+    // of the Blob URL.
+    //
+    // |uuid| can be used for revoke() to revoke all URLs associated with the
+    // |uuid|. It's not the UUID generated and appended to the BlobURL, but an
+    // identifier for the object to which URL(s) are generated e.g. ones
+    // returned by blink::Blob::uuid().
+    String registerURL(ExecutionContext*, URLRegistrable*, const String& uuid);
+    // Revokes the given URL.
     void revoke(const KURL&);
+    // Revokes all URLs associated with |uuid|.
     void revoke(const String& uuid);
 
     // ActiveDOMObject interface.
@@ -61,6 +69,9 @@ private:
     // Objects need be revoked by unique ID in some cases.
     typedef String URLString;
     typedef HashMap<URLString, String> URLMap;
+    // Map from URLRegistry instances to the maps which store association
+    // between URLs registered with the URLRegistry and UUIDs assigned for
+    // each of the URLs.
     typedef HashMap<URLRegistry*, URLMap> RegistryURLMap;
 
     RegistryURLMap m_registryToURL;