Update references to WebPresentation* interfaces in Chromium.

A follow up to https://codereview.chromium.org/883773004/

BUG=None

Review URL: https://codereview.chromium.org/889913002

Cr-Commit-Position: refs/heads/master@{#314141}

content/renderer/presentation/presentation_dispatcher.cc

@@ -7,7 +7,7 @@
 #include "content/common/presentation/presentation_service.mojom.h"
 #include "content/public/common/service_registry.h"
 #include "content/public/renderer/render_frame.h"
-#include "third_party/WebKit/public/platform/WebPresentationController.h"
+#include "third_party/WebKit/public/platform/modules/presentation/WebPresentationController.h"
 
 namespace content {
 

content/renderer/presentation/presentation_dispatcher.h

@@ -7,7 +7,7 @@
 
 #include "content/common/presentation/presentation_service.mojom.h"
 #include "content/public/renderer/render_frame_observer.h"
-#include "third_party/WebKit/public/platform/WebPresentationClient.h"
+#include "third_party/WebKit/public/platform/modules/presentation/WebPresentationClient.h"
 
 namespace content {