Report utility process JS memory in task manager.

chrome/utility/chrome_content_utility_client.cc

 // Copyright (c) 2012 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/utility/chrome_content_utility_client.h"
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/json/json_reader.h"
 #include "base/memory/ref_counted.h"
@@ skipping 11 matching lines @@
 #include "courgette/third_party/bsdiff.h"
 #include "ipc/ipc_channel.h"
 #include "skia/ext/image_operations.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "third_party/zlib/google/zip.h"
 #include "ui/gfx/codec/jpeg_codec.h"
 #include "ui/gfx/geometry/size.h"
 
 #if !defined(OS_ANDROID)
 #include "chrome/utility/profile_import_handler.h"
+#include "content/public/common/resource_usage_reporter.mojom.h"
 #include "net/proxy/mojo_proxy_resolver_factory_impl.h"
+#include "net/proxy/proxy_resolver_v8.h"
+#include "third_party/mojo/src/mojo/public/cpp/bindings/strong_binding.h"
 #endif
 
 #if defined(OS_ANDROID) && defined(USE_SECCOMP_BPF)
 #include "sandbox/linux/seccomp-bpf/sandbox_bpf.h"
 #endif
 
 #if defined(OS_WIN)
 #include "chrome/utility/font_cache_handler_win.h"
 #include "chrome/utility/shell_handler_win.h"
 #endif
@@ skipping 37 matching lines @@
 
 #if !defined(OS_ANDROID)
 void CreateProxyResolverFactory(
     mojo::InterfaceRequest<net::interfaces::ProxyResolverFactory> request) {
   // MojoProxyResolverFactoryImpl is strongly bound to the Mojo message pipe it
   // is connected to. When that message pipe is closed, either explicitly on the
   // other end (in the browser process), or by a connection error, this object
   // will be destroyed.
   new net::MojoProxyResolverFactoryImpl(request.Pass());
 }
+
+class ResourceUsageReporterImpl : public content::ResourceUsageReporter {
+ public:
+  ResourceUsageReporterImpl(

[ncarter (slow), 2015/05/01 21:16:52]

explicit

[Anand Mistry (off Chromium), 2015/05/06 02:44:18]

Done.

+      mojo::InterfaceRequest<content::ResourceUsageReporter> req)
+      : binding_(this, req.Pass()) {}
+  ~ResourceUsageReporterImpl() override {}
+
+ private:
+  void GetUsageData(const mojo::Callback<void(content::ResourceUsageDataPtr)>&
+                        callback) override {
+    content::ResourceUsageDataPtr data = content::ResourceUsageData::New();
+    size_t total_heap_size = net::ProxyResolverV8::GetTotalHeapSize();
+    if (total_heap_size) {
+      data->reports_v8_stats = true;
+      data->v8_memory_allocated = total_heap_size;
+      data->v8_memory_used = net::ProxyResolverV8::GetUsedHeapSize();
+    }
+    callback.Run(data.Pass());
+  }
+
+  mojo::StrongBinding<content::ResourceUsageReporter> binding_;
+};
+
+void CreateResourceUsageReporter(
+    mojo::InterfaceRequest<content::ResourceUsageReporter> request) {
+  new ResourceUsageReporterImpl(request.Pass());
+}
 #endif  // OS_ANDROID
 
 }  // namespace
 
 int64_t ChromeContentUtilityClient::max_ipc_message_size_ =
     IPC::Channel::kMaximumMessageSize;
 
 ChromeContentUtilityClient::ChromeContentUtilityClient()
     : filter_messages_(false) {
 #if !defined(OS_ANDROID)
@@ skipping 80 matching lines @@
   }
 
   return handled;
 }
 
 void ChromeContentUtilityClient::RegisterMojoServices(
     content::ServiceRegistry* registry) {
 #if !defined(OS_ANDROID)
   registry->AddService<net::interfaces::ProxyResolverFactory>(
       base::Bind(CreateProxyResolverFactory));
+  registry->AddService<content::ResourceUsageReporter>(
+      base::Bind(CreateResourceUsageReporter));
 #endif
 }
 
 // static
 void ChromeContentUtilityClient::PreSandboxStartup() {
 #if defined(ENABLE_EXTENSIONS)
   extensions::ExtensionsHandler::PreSandboxStartup();
 #endif
 
 #if defined(ENABLE_MDNS)
@@ skipping 199 matching lines @@
     const std::string& mime_type, int64 total_size, bool get_attached_images) {
   // Only one IPCDataSource may be created and added to the list of handlers.
   metadata::IPCDataSource* source = new metadata::IPCDataSource(total_size);
   handlers_.push_back(source);
 
   metadata::MediaMetadataParser* parser = new metadata::MediaMetadataParser(
       source, mime_type, get_attached_images);
   parser->Start(base::Bind(&FinishParseMediaMetadata, base::Owned(parser)));
 }
 #endif