Migrate chrome_net_benchmarking_message_filter to mojo

chrome/renderer/net_benchmarking_extension.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/renderer/net_benchmarking_extension.h"
 
-#include "chrome/common/benchmarking_messages.h"
+#include "chrome/common/net_benchmarking.mojom.h"
 #include "content/public/renderer/render_thread.h"
+#include "services/service_manager/public/cpp/interface_provider.h"
 #include "third_party/WebKit/public/web/WebCache.h"
 #include "v8/include/v8.h"
 
 using blink::WebCache;
 
 const char kNetBenchmarkingExtensionName[] = "v8/NetBenchmarking";
 
 namespace extensions_v8 {
 
 class NetBenchmarkingWrapper : public v8::Extension {
@@ skipping 36 matching lines @@
                    v8::String::NewFromUtf8(isolate, "ClearPredictorCache"))) {
       return v8::FunctionTemplate::New(isolate, ClearPredictorCache);
     } else if (name->Equals(
                    v8::String::NewFromUtf8(isolate, "CloseConnections"))) {
       return v8::FunctionTemplate::New(isolate, CloseConnections);
     }
 
     return v8::Local<v8::FunctionTemplate>();
   }
 
+  static chrome::mojom::NetBenchmarking& GetNetBenchmarking() {
+    CR_DEFINE_STATIC_LOCAL(chrome::mojom::NetBenchmarkingPtr, net_benchmarking,
+                           (ConnectToBrowser()));

[sky, 2016/12/13 02:02:52]

Do you really need the parens around ConnectToBrowser() here?

[dvallet, 2016/12/13 05:20:04]

Maybe? If removed, I get the following error:
error: no matching constructor for initialization of
'chrome::mojom::NetBenchmarkingPtr' (aka
'InterfacePtr<chrome::mojom::NetBenchmarking>')

+    return *net_benchmarking;
+  }
+
+  static chrome::mojom::NetBenchmarkingPtr ConnectToBrowser() {
+    chrome::mojom::NetBenchmarkingPtr net_benchmarking;
+    content::RenderThread::Get()->GetRemoteInterfaces()->GetInterface(
+        &net_benchmarking);
+    return net_benchmarking;
+  }
+
   static void ClearCache(const v8::FunctionCallbackInfo<v8::Value>& args) {
     int rv;
-    content::RenderThread::Get()->Send(new ChromeViewHostMsg_ClearCache(&rv));
+    GetNetBenchmarking().ClearCache(&rv);
     WebCache::clear();
   }
 
   static void ClearHostResolverCache(
       const v8::FunctionCallbackInfo<v8::Value>& args) {
-    content::RenderThread::Get()->Send(
-        new ChromeViewHostMsg_ClearHostResolverCache());
+    GetNetBenchmarking().ClearHostResolverCache();
   }
 
   static void ClearPredictorCache(
       const v8::FunctionCallbackInfo<v8::Value>& args) {
-    content::RenderThread::Get()->Send(
-        new ChromeViewHostMsg_ClearPredictorCache());
+    GetNetBenchmarking().ClearPredictorCache();
   }
 
   static void CloseConnections(
       const v8::FunctionCallbackInfo<v8::Value>& args) {
-    content::RenderThread::Get()->Send(
-        new ChromeViewHostMsg_CloseCurrentConnections());
+    GetNetBenchmarking().CloseCurrentConnections();
   }
 };
 
 v8::Extension* NetBenchmarkingExtension::Get() {
   return new NetBenchmarkingWrapper();
 }
 
 }  // namespace extensions_v8