Make Inspector aware of RemoteFrames in FrameTree

Source/modules/filesystem/InspectorFileSystemAgent.cpp

Index: Source/modules/filesystem/InspectorFileSystemAgent.cpp
diff --git a/Source/modules/filesystem/InspectorFileSystemAgent.cpp b/Source/modules/filesystem/InspectorFileSystemAgent.cpp
index b705d218617286d4c9641a6f482280a4eb604bcc..084488cebc8315ad34229d0a3050cc74691692a9 100644
--- a/Source/modules/filesystem/InspectorFileSystemAgent.cpp
+++ b/Source/modules/filesystem/InspectorFileSystemAgent.cpp
@@ -714,9 +714,9 @@ bool InspectorFileSystemAgent::assertEnabled(ErrorString* error)
 
 ExecutionContext* InspectorFileSystemAgent::assertExecutionContextForOrigin(ErrorString* error, SecurityOrigin* origin)
 {
-    for (LocalFrame* frame = m_page->mainFrame(); frame; frame = frame->tree().traverseNext()) {
-        if (frame->document() && frame->document()->securityOrigin()->isSameSchemeHostPort(origin))
-            return frame->document();
+    for (Frame* frame = m_page->mainFrame(); frame; frame = frame->tree().traverseNext()) {
+        if (frame->isLocalFrame() && toLocalFrame(frame)->document() && toLocalFrame(frame)->document()->securityOrigin()->isSameSchemeHostPort(origin))

[yurys, 2014/06/02 07:56:27]

LocalFrame* localFrame = toLocalFrame(frame); ...

[kenrb, 2014/06/02 15:20:48]

Done.

+            return toLocalFrame(frame)->document();
     }
 
     *error = "No frame is available for the request";