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 22ee93f6544fbbfe3ecb10d376d6e1462eb9b5f2..182217d187a1a77e53580b01004ea781f8866121 100644
--- a/Source/core/fetch/ResourceFetcher.cpp
+++ b/Source/core/fetch/ResourceFetcher.cpp
@@ -89,6 +89,7 @@ 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);
@@ -126,6 +127,8 @@ 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;
@@ -216,6 +219,8 @@ 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;
@@ -377,6 +382,16 @@ 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));
+}
+
 void ResourceFetcher::preCacheSubstituteDataForMainResource(const FetchRequest& request, const SubstituteData& substituteData)
 {
     const KURL& url = request.url();
@@ -415,6 +430,7 @@ 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;
@@ -478,6 +494,7 @@ 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)) {
@@ -535,6 +552,7 @@ 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;