Implement ManifestManager to handle manifest in content/

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index 68748c6514c2e95b9786e3dc91b27da832970202..bfa0f0ff34a0930d770d2f833c82869ac7845abe 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -66,6 +66,7 @@
 #include "content/renderer/image_loading_helper.h"
 #include "content/renderer/ime_event_guard.h"
 #include "content/renderer/internal_document_state_data.h"
+#include "content/renderer/manifest/manifest_manager.h"
 #include "content/renderer/media/audio_renderer_mixer_manager.h"
 #include "content/renderer/media/crypto/encrypted_media_player_support_impl.h"
 #include "content/renderer/media/media_stream_dispatcher.h"
@@ -454,6 +455,7 @@ RenderFrameImpl::RenderFrameImpl(RenderViewImpl* render_view, int routing_id)
       geolocation_dispatcher_(NULL),
       push_messaging_dispatcher_(NULL),
       screen_orientation_dispatcher_(NULL),
+      manifest_manager_(NULL),
       accessibility_mode_(AccessibilityModeOff),
       renderer_accessibility_(NULL),
       weak_factory_(this) {
@@ -472,6 +474,8 @@ RenderFrameImpl::RenderFrameImpl(RenderViewImpl* render_view, int routing_id)
 #if defined(ENABLE_NOTIFICATIONS)
   notification_provider_ = new NotificationProvider(this);
 #endif
+
+  manifest_manager_ = new ManifestManager(this);
 }
 
 RenderFrameImpl::~RenderFrameImpl() {
@@ -3190,6 +3194,13 @@ blink::WebScreenOrientationClient*
   return screen_orientation_dispatcher_;
 }
 
+void RenderFrameImpl::didChangeManifest(blink::WebLocalFrame* frame)
+{
+  DCHECK(!frame_ || frame_ == frame);
+
+  FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidChangeManifest());
+}
+
 void RenderFrameImpl::DidPlay(blink::WebMediaPlayer* player) {
   Send(new FrameHostMsg_MediaPlayingNotification(
       routing_id_, reinterpret_cast<int64>(player), player->hasVideo(),