DevTools: show extension name in console context switcher

Source/bindings/v8/DOMWrapperWorld.cpp

Index: Source/bindings/v8/DOMWrapperWorld.cpp
diff --git a/Source/bindings/v8/DOMWrapperWorld.cpp b/Source/bindings/v8/DOMWrapperWorld.cpp
index 7b5f2fd86fd5d9c2729531b6664cf9ddf37280d3..95d5c9e6ad5efbba13a3dde49ec50bfd971481ed 100644
--- a/Source/bindings/v8/DOMWrapperWorld.cpp
+++ b/Source/bindings/v8/DOMWrapperWorld.cpp
@@ -169,6 +169,14 @@ static IsolatedWorldSecurityOriginMap& isolatedWorldSecurityOrigins()
     return map;
 }
 
+typedef HashMap<int, String> IsolatedWorldHumanReadableNameMap;
+static IsolatedWorldHumanReadableNameMap& isolatedWorldHumanReadableNames()
+{
+    ASSERT(isMainThread());
+    DEFINE_STATIC_LOCAL(IsolatedWorldHumanReadableNameMap, map, ());

[pfeldman, 2013/08/05 16:44:49]

You should not create yet another map, we can extend existing one to store more
bits associated with the world. It is also worth checking if the lazy binding is
already fixed so that you could simply make it a field of the world. See
https://bugs.webkit.org/show_bug.cgi?id=97398 and talk to Dan.

[lushnikov, 2014/08/23 20:37:46]

So I've got to create this map due to the fact that the world is reported in
inspector instrumentation at the moment of its creation, deeper in stack. That
means that the humanReadableName should be preset before the actual world
creation.

The same thing actually happens with other two maps here.

+    return map;
+}
+
 SecurityOrigin* DOMWrapperWorld::isolatedWorldSecurityOrigin()
 {
     ASSERT(this->isIsolatedWorld());
@@ -186,6 +194,23 @@ void DOMWrapperWorld::setIsolatedWorldSecurityOrigin(int worldID, PassRefPtr<Sec
         isolatedWorldSecurityOrigins().remove(worldID);
 }
 
+void DOMWrapperWorld::setIsolatedWorldHumanReadableName(int worldID, const String& humanReadableName)
+{
+    ASSERT(DOMWrapperWorld::isIsolatedWorldId(worldID));
+    if (!humanReadableName.isEmpty())
+        isolatedWorldHumanReadableNames().set(worldID, humanReadableName);
+    else
+        isolatedWorldHumanReadableNames().remove(worldID);
+}
+
+String DOMWrapperWorld::isolatedWorldHumanReadableName()
+{
+    ASSERT(this->isIsolatedWorld());
+    IsolatedWorldHumanReadableNameMap& humanReadableNames = isolatedWorldHumanReadableNames();
+    IsolatedWorldHumanReadableNameMap::iterator it = humanReadableNames.find(worldId());
+    return it == humanReadableNames.end() ? "" : it->value;
+}
+
 void DOMWrapperWorld::clearIsolatedWorldSecurityOrigin(int worldID)
 {
     ASSERT(DOMWrapperWorld::isIsolatedWorldId(worldID));