chore: use HTTP status code constants (#29378)

shell/browser/net/electron_url_loader_factory.cc

@@ -101,7 +101,7 @@ network::mojom::URLResponseHeadPtr ToResponseHead(
     return head;
   }
 
-  int status_code = 200;
+  int status_code = net::HTTP_OK;
   dict.Get("statusCode", &status_code);
   head->headers = new net::HttpResponseHeaders(base::StringPrintf(
       "HTTP/1.1 %d %s", status_code,

shell/browser/net/proxying_url_loader_factory.cc

@@ -14,6 +14,7 @@
 #include "extensions/browser/extension_navigation_ui_data.h"
 #include "net/base/completion_repeating_callback.h"
 #include "net/base/load_flags.h"
+#include "net/http/http_status_code.h"
 #include "net/http/http_util.h"
 #include "services/metrics/public/cpp/ukm_source_id.h"
 #include "services/network/public/cpp/features.h"
@@ -662,7 +663,7 @@ void ProxyingURLLoaderFactory::InProgressRequest::
   header_client_receiver_.reset();
   target_loader_.reset();
 
-  constexpr int kInternalRedirectStatusCode = 307;
+  constexpr int kInternalRedirectStatusCode = net::HTTP_TEMPORARY_REDIRECT;
 
   net::RedirectInfo redirect_info;
   redirect_info.status_code = kInternalRedirectStatusCode;

shell/browser/ui/inspectable_web_contents.cc

@@ -38,6 +38,7 @@
 #include "content/public/common/user_agent.h"
 #include "ipc/ipc_channel.h"
 #include "net/http/http_response_headers.h"
+#include "net/http/http_status_code.h"
 #include "services/network/public/cpp/simple_url_loader.h"
 #include "services/network/public/cpp/simple_url_loader_stream_consumer.h"
 #include "services/network/public/cpp/wrapper_shared_url_loader_factory.h"
@@ -289,7 +290,7 @@ class InspectableWebContents::NetworkResourceLoader
       base::DictionaryValue response;
       response.SetInteger("statusCode", response_headers_
                                             ? response_headers_->response_code()
-                                            : 200);
+                                            : net::HTTP_OK);
 
       auto headers = std::make_unique<base::DictionaryValue>();
       size_t iterator = 0;
@@ -652,7 +653,7 @@ void InspectableWebContents::LoadNetworkResource(DispatchCallback callback,
   GURL gurl(url);
   if (!gurl.is_valid()) {
     base::DictionaryValue response;
-    response.SetInteger("statusCode", 404);
+    response.SetInteger("statusCode", net::HTTP_NOT_FOUND);
     std::move(callback).Run(&response);
     return;
   }