OnionSoup: Move mojom files in public/platform to public/mojom

This CL moves unhandled_tap_notifier.mojom, site_engagement.mojom,
ukm.mojom and reporting.mojom in public/platform to public/mojom.

Bug: 919393
Change-Id: I430cc84b586bf989ed201cbe78f4b72fd2765cda
Reviewed-on: https://chromium-review.googlesource.com/c/1485694
Commit-Queue: Julie Jeongeun Kim <[email protected]>
Reviewed-by: Kinuko Yasuda <[email protected]>
Reviewed-by: Sylvain Defresne <[email protected]>
Reviewed-by: Daniel Cheng <[email protected]>
Reviewed-by: David Roger <[email protected]>
Reviewed-by: Kentaro Hara <[email protected]>
Cr-Commit-Position: refs/heads/master@{#636688}
diff --git a/content/browser/net/reporting_service_proxy.cc b/content/browser/net/reporting_service_proxy.cc
index 990722f..1e59afac 100644
--- a/content/browser/net/reporting_service_proxy.cc
+++ b/content/browser/net/reporting_service_proxy.cc
@@ -22,7 +22,7 @@
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "services/network/public/mojom/network_context.mojom.h"
-#include "third_party/blink/public/platform/reporting.mojom.h"
+#include "third_party/blink/public/mojom/reporting/reporting.mojom.h"
 #include "url/gurl.h"
 
 namespace content {