Factor DRP PreviewsState logic out of 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 0081a29c79ad2e1b06f108bf26879f00fa409b64..c4185517ad9355cb28875e31a41e9efdfb755e57 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -134,7 +134,6 @@
 #include "content/renderer/pepper/pepper_audio_controller.h"
 #include "content/renderer/pepper/plugin_instance_throttler_impl.h"
 #include "content/renderer/presentation/presentation_dispatcher.h"
-#include "content/renderer/previews_state_helper.h"
 #include "content/renderer/push_messaging/push_messaging_client.h"
 #include "content/renderer/render_frame_proxy.h"
 #include "content/renderer/render_process.h"
@@ -2768,6 +2767,10 @@ void RenderFrameImpl::DetachDevToolsForTest() {
     devtools_agent_->DetachAllSessions();
 }
 
+void RenderFrameImpl::SetPreviewsState(PreviewsState previews_state) {
+  previews_state_ = previews_state;
+}
+
 PreviewsState RenderFrameImpl::GetPreviewsState() const {
   return previews_state_;
 }
@@ -3620,8 +3623,7 @@ void RenderFrameImpl::DidCommitProvisionalLoad(
   if (is_main_frame_ && !navigation_state->WasWithinSameDocument()) {
     previews_state_ = PREVIEWS_OFF;
     if (extra_data) {
-      previews_state_ = GetPreviewsStateFromMainFrameResponse(
-          extra_data->previews_state(), web_url_response);
+      previews_state_ = extra_data->previews_state();
       effective_connection_type_ =
           EffectiveConnectionTypeToWebEffectiveConnectionType(
               extra_data->effective_connection_type());