Convert MediaRouter mojom apis to intake url::Origin objects instead of strings

chrome/browser/media/router/presentation_request.cc

Index: chrome/browser/media/router/presentation_request.cc
diff --git a/chrome/browser/media/router/presentation_request.cc b/chrome/browser/media/router/presentation_request.cc
index 89f7b4fb572e47c82dd78e0b2b47045d35dcb370..3952d0ade6c5e305544ac3536e515bbf2e27b1f6 100644
--- a/chrome/browser/media/router/presentation_request.cc
+++ b/chrome/browser/media/router/presentation_request.cc
@@ -11,10 +11,10 @@ namespace media_router {
 PresentationRequest::PresentationRequest(
     const RenderFrameHostId& render_frame_host_id,
     const std::vector<GURL>& presentation_urls,
-    const GURL& frame_url)
+    const url::Origin& frame_origin)
     : render_frame_host_id_(render_frame_host_id),
       presentation_urls_(presentation_urls),
-      frame_url_(frame_url) {
+      frame_origin_(frame_origin) {
   DCHECK(!presentation_urls_.empty());
 }
 
@@ -26,7 +26,8 @@ PresentationRequest::~PresentationRequest() = default;
 bool PresentationRequest::Equals(const PresentationRequest& other) const {
   return render_frame_host_id_ == other.render_frame_host_id_ &&
          presentation_urls_ == other.presentation_urls_ &&
-         frame_url_ == other.frame_url_;
+         ((frame_origin_.unique() && other.frame_origin_.unique()) ||

[mark a. foltz, 2017/01/24 04:04:17]

Not all unique origins should be treated as equal (that's why they are
"unique").  So drop this expression

[steimel, 2017/01/25 19:01:11]

Discussed offline. Leaving as-is for now

+          (frame_origin_ == other.frame_origin_));
 }
 
 std::vector<MediaSource> PresentationRequest::GetMediaSources() const {