Show media and VTT text tracks in the devtools.

Source/core/fetch/ResourceFetcher.cpp

Index: Source/core/fetch/ResourceFetcher.cpp
diff --git a/Source/core/fetch/ResourceFetcher.cpp b/Source/core/fetch/ResourceFetcher.cpp
index 97051b5fc721e5936ce260badeb924b58c173a5d..3b291957d64e29bc305b2ee1da984d085bb237a6 100644
--- a/Source/core/fetch/ResourceFetcher.cpp
+++ b/Source/core/fetch/ResourceFetcher.cpp
@@ -87,6 +87,7 @@ static Resource* createResource(Resource::Type type, const ResourceRequest& requ
     case Resource::MainResource:
     case Resource::Raw:
     case Resource::TextTrack:
+    case Resource::Media:
         return new RawResource(request, type);
     case Resource::XSLStyleSheet:
         return new XSLStyleSheetResource(request);
@@ -124,6 +125,8 @@ static ResourceLoadPriority loadPriority(Resource::Type type, const FetchRequest
         // We'll default images to VeryLow, and promote whatever is visible. This improves
         // speed-index by ~5% on average, ~14% at the 99th percentile.
         return ResourceLoadPriorityVeryLow;
+    case Resource::Media:
+        return ResourceLoadPriorityLow;
     case Resource::XSLStyleSheet:
         ASSERT(RuntimeEnabledFeatures::xsltEnabled());
         return ResourceLoadPriorityHigh;
@@ -209,6 +212,8 @@ static ResourceRequest::TargetType requestTargetType(const ResourceFetcher* fetc
         return ResourceRequest::TargetIsTextTrack;
     case Resource::SVGDocument:
         return ResourceRequest::TargetIsImage;
+    case Resource::Media:
+        return ResourceRequest::TargetIsMedia;
     }
     ASSERT_NOT_REACHED();
     return ResourceRequest::TargetIsSubresource;
@@ -371,6 +376,16 @@ ResourcePtr<RawResource> ResourceFetcher::fetchMainResource(FetchRequest& reques
     return toRawResource(requestResource(Resource::MainResource, request));
 }
 
+ResourcePtr<RawResource> ResourceFetcher::fetchMedia(FetchRequest& request)
+{
+    return toRawResource(requestResource(Resource::Media, request));
+}
+
+ResourcePtr<RawResource> ResourceFetcher::fetchTextTrack(FetchRequest& request)
+{
+    return toRawResource(requestResource(Resource::TextTrack, request));
+}
+
 bool ResourceFetcher::checkInsecureContent(Resource::Type type, const KURL& url, MixedContentBlockingTreatment treatment) const
 {
     if (treatment == TreatAsDefaultForType) {
@@ -391,6 +406,7 @@ bool ResourceFetcher::checkInsecureContent(Resource::Type type, const KURL& url,
         case Resource::Raw:
         case Resource::Image:
         case Resource::Font:
+        case Resource::Media:
             // These resources can corrupt only the frame's pixels.
             treatment = TreatAsPassiveContent;
             break;
@@ -454,6 +470,7 @@ bool ResourceFetcher::canRequest(Resource::Type type, const KURL& url, const Res
     case Resource::TextTrack:
     case Resource::Shader:
     case Resource::ImportResource:
+    case Resource::Media:
         // By default these types of resources can be loaded from any origin.
         // FIXME: Are we sure about Resource::Font?
         if (originRestriction == FetchRequest::RestrictToSameOrigin && !securityOrigin->canRequest(url)) {
@@ -511,6 +528,7 @@ bool ResourceFetcher::canRequest(Resource::Type type, const KURL& url, const Res
     case Resource::LinkPrefetch:
     case Resource::LinkSubresource:
         break;
+    case Resource::Media:
     case Resource::TextTrack:
         if (!shouldBypassMainWorldContentSecurityPolicy && !m_document->contentSecurityPolicy()->allowMediaFromSource(url))
             return false;