Remove resource type-specific fetching logic from ResourceFetcher

Source/core/fetch/FontResource.cpp

Index: Source/core/fetch/FontResource.cpp
diff --git a/Source/core/fetch/FontResource.cpp b/Source/core/fetch/FontResource.cpp
index e2bd3a81aeb0f138c17cd0111ae2dc349aada25d..f3f023cf6ed28356dc72a57e7fd6fe354f745405 100644
--- a/Source/core/fetch/FontResource.cpp
+++ b/Source/core/fetch/FontResource.cpp
@@ -27,7 +27,9 @@
 #include "config.h"
 #include "core/fetch/FontResource.h"
 
+#include "core/fetch/FetchRequest.h"
 #include "core/fetch/ResourceClientWalker.h"
+#include "core/fetch/ResourceFetcher.h"
 #include "platform/SharedBuffer.h"
 #include "platform/fonts/FontCustomPlatformData.h"
 #include "platform/fonts/FontPlatformData.h"
@@ -65,6 +67,13 @@ static void recordPackageFormatHistogram(FontPackageFormat format)
     Platform::current()->histogramEnumeration("WebFont.PackageFormat", format, PackageFormatEnumMax);
 }
 
+ResourcePtr<FontResource> FontResource::fetch(FetchRequest& request, ResourceFetcher* fetcher)
+{
+    ASSERT(request.resourceRequest().frameType() == WebURLRequest::FrameTypeNone);
+    request.mutableResourceRequest().setRequestContext(WebURLRequest::RequestContextFont);
+    return toFontResource(fetcher->requestResource(request, FontResourceFactory()));
+}
+
 FontResource::FontResource(const ResourceRequest& resourceRequest)
     : Resource(resourceRequest, Font)
     , m_state(Unloaded)