DevTools: add chrome-devtools to the content settings whitelist.

chrome/renderer/content_settings_observer.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/renderer/content_settings_observer.h"
 
 #include "chrome/common/render_messages.h"
 #include "chrome/common/url_constants.h"
 #include "content/public/renderer/navigation_state.h"
 #include "content/public/renderer/render_view.h"
@@ skipping 18 matching lines @@
 
 // True if |frame| contains content that is white-listed for content settings.
 static bool IsWhitelistedForContentSettings(WebFrame* frame) {
   WebSecurityOrigin origin = frame->document().securityOrigin();
   if (origin.isEmpty())
     return false;  // Uninitialized document?
 
   if (EqualsASCII(origin.protocol(), chrome::kChromeUIScheme))
     return true;  // Browser UI elements should still work.
 
+  if (EqualsASCII(origin.protocol(), chrome::kChromeDevToolsScheme))
+    return true;  // DevTools UI elements should still work.
+
   // If the scheme is ftp: or file:, an empty file name indicates a directory
   // listing, which requires JavaScript to function properly.
   GURL document_url = frame->document().url();
   const char* kDirProtocols[] = { chrome::kFtpScheme, chrome::kFileScheme };
   for (size_t i = 0; i < arraysize(kDirProtocols); ++i) {
     if (EqualsASCII(origin.protocol(), kDirProtocols[i])) {
       return document_url.SchemeIs(kDirProtocols[i]) &&
              document_url.ExtractFileName().empty();
     }
   }
@@ skipping 266 matching lines @@
   // CONTENT_SETTING_ASK is only valid for cookies.
   return current_content_settings_.settings[settings_type] !=
       CONTENT_SETTING_BLOCK;
 }
 
 void ContentSettingsObserver::ClearBlockedContentSettings() {
   for (size_t i = 0; i < arraysize(content_blocked_); ++i)
     content_blocked_[i] = false;
   cached_storage_permissions_.clear();
 }