Implement chrome://view-http-cache with network service.

content/browser/webui/web_ui_url_loader_factory.cc

Index: content/browser/webui/web_ui_url_loader_factory.cc
diff --git a/content/browser/webui/web_ui_url_loader_factory.cc b/content/browser/webui/web_ui_url_loader_factory.cc
index a6ba11d35876de3c0d4e0d1f947eda9eedc03bac..25e164cfc32bab20cffb2d8d5d062e4169c5b0e4 100644
--- a/content/browser/webui/web_ui_url_loader_factory.cc
+++ b/content/browser/webui/web_ui_url_loader_factory.cc
@@ -19,12 +19,16 @@
 #include "content/browser/resource_context_impl.h"
 #include "content/browser/webui/url_data_manager_backend.h"
 #include "content/browser/webui/url_data_source_impl.h"
+#include "content/common/network_service.mojom.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/web_contents.h"
+#include "content/public/common/service_manager_connection.h"
+#include "content/public/common/service_names.mojom.h"
 #include "content/public/common/url_constants.h"
 #include "mojo/public/cpp/bindings/binding_set.h"
+#include "services/service_manager/public/cpp/connector.h"
 #include "third_party/zlib/google/compression_utils.h"
 #include "ui/base/template_expressions.h"
 
@@ -240,7 +244,13 @@ class WebUIURLLoaderFactory : public mojom::URLLoaderFactory,
                             const ResourceRequest& request,
                             mojom::URLLoaderClientPtr client) override {
     DCHECK_CURRENTLY_ON(BrowserThread::UI);
-    if (request.url.host_piece() == kChromeUIBlobInternalsHost) {
+    if (request.url.host_piece() == kChromeUINetworkViewCacheHost) {
+      mojom::NetworkServicePtr network_service;
+      ServiceManagerConnection::GetForProcess()->GetConnector()->BindInterface(
+          mojom::kNetworkServiceName, &network_service);
+      network_service->HandleViewCacheRequest(request, std::move(client));
+      return;
+    } else if (request.url.host_piece() == kChromeUIBlobInternalsHost) {

[mmenke, 2017/05/10 18:52:30]

optional nit:  I think the preferred style is not to use else when each branch
of an if ends with a return?

[jam, 2017/05/10 22:02:53]

Done.

       BrowserThread::PostTask(
           BrowserThread::IO, FROM_HERE,
           base::BindOnce(