Revert of Move ObjectContentType entirely to HTMLPlugInElement

third_party/WebKit/Source/web/LocalFrameClientImpl.cpp

 /*
  * Copyright (C) 2009, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2011 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 62 matching lines @@
 #include "modules/serviceworkers/ServiceWorkerLinkResource.h"
 #include "modules/storage/DOMWindowStorageController.h"
 #include "modules/vr/NavigatorVR.h"
 #include "platform/Histogram.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/exported/WrappedResourceRequest.h"
 #include "platform/exported/WrappedResourceResponse.h"
 #include "platform/feature_policy/FeaturePolicy.h"
 #include "platform/loader/fetch/ResourceFetcher.h"
 #include "platform/network/HTTPParsers.h"
+#include "platform/network/mime/MIMETypeRegistry.h"
 #include "platform/plugins/PluginData.h"
 #include "platform/wtf/PtrUtil.h"
 #include "platform/wtf/StringExtras.h"
 #include "platform/wtf/text/CString.h"
 #include "platform/wtf/text/WTFString.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebApplicationCacheHost.h"
 #include "public/platform/WebMediaPlayerSource.h"
 #include "public/platform/WebRTCPeerConnectionHandler.h"
 #include "public/platform/WebSecurityOrigin.h"
@@ skipping 711 matching lines @@
   return WTF::WrapUnique(web_frame->Client()->CreateMediaPlayer(
       source, client, &encrypted_media,
       encrypted_media.ContentDecryptionModule(), sink_id));
 }
 
 WebRemotePlaybackClient* LocalFrameClientImpl::CreateWebRemotePlaybackClient(
     HTMLMediaElement& html_media_element) {
   return HTMLMediaElementRemotePlayback::remote(html_media_element);
 }
 
+ObjectContentType LocalFrameClientImpl::GetObjectContentType(
+    const KURL& url,
+    const String& explicit_mime_type,
+    bool should_prefer_plug_ins_for_images) {
+  // This code is based on Apple's implementation from
+  // WebCoreSupport/WebFrameBridge.mm.
+
+  String mime_type = explicit_mime_type;
+  if (mime_type.IsEmpty()) {
+    // Try to guess the MIME type based off the extension.
+    String filename = url.LastPathComponent();
+    int extension_pos = filename.ReverseFind('.');
+    if (extension_pos >= 0) {
+      String extension = filename.Substring(extension_pos + 1);
+      mime_type = MIMETypeRegistry::GetWellKnownMIMETypeForExtension(extension);
+    }
+
+    if (mime_type.IsEmpty())
+      return kObjectContentFrame;
+  }
+
+  // If Chrome is started with the --disable-plugins switch, pluginData is 0.
+  PluginData* plugin_data = web_frame_->GetFrame()->GetPluginData();
+  bool plug_in_supports_mime_type =
+      plugin_data && plugin_data->SupportsMimeType(mime_type);
+
+  if (MIMETypeRegistry::IsSupportedImageMIMEType(mime_type)) {
+    return should_prefer_plug_ins_for_images && plug_in_supports_mime_type
+               ? kObjectContentNetscapePlugin
+               : kObjectContentImage;
+  }
+
+  if (plug_in_supports_mime_type)
+    return kObjectContentNetscapePlugin;
+
+  if (MIMETypeRegistry::IsSupportedNonImageMIMEType(mime_type))
+    return kObjectContentFrame;
+
+  return kObjectContentNone;
+}
+
 WebCookieJar* LocalFrameClientImpl::CookieJar() const {
   if (!web_frame_->Client())
     return 0;
   return web_frame_->Client()->CookieJar();
 }
 
 void LocalFrameClientImpl::FrameFocused() const {
   if (web_frame_->Client())
     web_frame_->Client()->FrameFocused();
 }
@@ skipping 185 matching lines @@
 std::unique_ptr<blink::WebURLLoader> LocalFrameClientImpl::CreateURLLoader() {
   return web_frame_->CreateURLLoader();
 }
 
 service_manager::InterfaceProvider*
 LocalFrameClientImpl::GetInterfaceProvider() {
   return web_frame_->Client()->GetInterfaceProvider();
 }
 
 }  // namespace blink