Replace base::MakeUnique with std::make_unique in content/.

base/memory/ptr_util.h includes will be cleaned up later.

Generated by:
git grep -l base::MakeUnique content/ | xargs perl -pi -e 's/base::MakeUnique/std::make_unique/'

Bug: 755727
Cq-Include-Trybots: master.tryserver.chromium.linux:linux_site_isolation
Change-Id: I10d622bde1d70b9a5f5aee0f229262c7018ec56b
Reviewed-on: https://chromium-review.googlesource.com/740181
Commit-Queue: Jeremy Roman <[email protected]>
Reviewed-by: Jeremy Roman <[email protected]>
Reviewed-by: Daniel Cheng <[email protected]>
Reviewed-by: Avi Drissman <[email protected]>
Reviewed-by: Kinuko Yasuda <[email protected]>
Cr-Commit-Position: refs/heads/master@{#512186}
diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
index 6a4a330..8a788f6 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -1860,7 +1860,7 @@
 void WebContentsImpl::AddDestructionObserver(WebContentsImpl* web_contents) {
   if (!ContainsKey(destruction_observers_, web_contents)) {
     destruction_observers_[web_contents] =
-        base::MakeUnique<DestructionObserver>(this, web_contents);
+        std::make_unique<DestructionObserver>(this, web_contents);
   }
 }
 
@@ -3329,7 +3329,7 @@
             "triggered by user request."
           policy_exception_justification: "Not implemented."
         })");
-  auto params = base::MakeUnique<DownloadUrlParameters>(
+  auto params = std::make_unique<DownloadUrlParameters>(
       url, frame_host->GetProcess()->GetID(),
       frame_host->GetRenderViewHost()->GetRoutingID(),
       frame_host->GetRoutingID(), storage_partition->GetURLRequestContext(),
@@ -5714,12 +5714,12 @@
 }
 
 std::unique_ptr<WebUIImpl> WebContentsImpl::CreateWebUI(const GURL& url) {
-  std::unique_ptr<WebUIImpl> web_ui = base::MakeUnique<WebUIImpl>(this);
+  std::unique_ptr<WebUIImpl> web_ui = std::make_unique<WebUIImpl>(this);
   WebUIController* controller =
       WebUIControllerFactoryRegistry::GetInstance()
           ->CreateWebUIControllerForURL(web_ui.get(), url);
   if (controller) {
-    web_ui->AddMessageHandler(base::MakeUnique<GenericHandler>());
+    web_ui->AddMessageHandler(std::make_unique<GenericHandler>());
     web_ui->SetController(controller);
     return web_ui;
   }