Make browsing context keywords case-insensitive.

third_party/WebKit/Source/core/page/CreateWindow.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 32 matching lines @@
 #include "platform/weborigin/SecurityOrigin.h"
 #include "platform/weborigin/SecurityPolicy.h"
 #include "public/platform/WebURLRequest.h"
 
 namespace blink {
 
 static Frame* reuseExistingWindow(LocalFrame& activeFrame,
                                   LocalFrame& lookupFrame,
                                   const AtomicString& frameName,
                                   NavigationPolicy policy) {
-  if (!frameName.isEmpty() && frameName != "_blank" &&
+  if (!frameName.isEmpty() && !equalIgnoringASCIICase(frameName, "_blank") &&
       policy == NavigationPolicyIgnore) {
     if (Frame* frame =
             lookupFrame.findFrameForNavigation(frameName, activeFrame)) {
-      if (frameName != "_self") {
+      if (!equalIgnoringASCIICase(frameName, "_self")) {
         if (Page* page = frame->page()) {
           if (page == activeFrame.page())
             page->focusController().setFocusedFrame(frame);
           else
             page->chromeClient().focus();
         }
       }
       return frame;
     }
   }
@@ skipping 10 matching lines @@
     return nullptr;
 
   Page* page = oldPage->chromeClient().createWindow(&openerFrame, request,
                                                     features, policy);
   if (!page)
     return nullptr;
 
   ASSERT(page->mainFrame());
   LocalFrame& frame = *toLocalFrame(page->mainFrame());
 
-  if (request.frameName() != "_blank")
+  if (!equalIgnoringASCIICase(request.frameName(), "_blank"))
     frame.tree().setName(request.frameName());
 
   page->chromeClient().setWindowFeatures(features);
 
   // 'x' and 'y' specify the location of the window, while 'width' and 'height'
   // specify the size of the viewport. We can only resize the window, so adjust
   // for the difference between the window size and the viewport size.
 
   IntRect windowRect = page->chromeClient().rootWindowRect();
   IntSize viewportSize = page->chromeClient().pageRect().size();
@@ skipping 188 matching lines @@
   }
 
   // TODO(japhet): Form submissions on RemoteFrames don't work yet.
   FrameLoadRequest newRequest(0, request.resourceRequest());
   newRequest.setForm(request.form());
   if (newFrame->isLocalFrame())
     toLocalFrame(newFrame)->loader().load(newRequest);
 }
 
 }  // namespace blink