Experimental network-service support

Is default off, enable with --enable-network-service.

Done:
* Basic browsing
* Basic profile settings
* Custom URL schemes
* UI-thread interceptors
* CookieStore API
* CookieStore filters
* CookieStore changed events

Missing:
* deprecated interceptors
* complete profile settings
* cleanup of system network-context
* proxy settings

Change-Id: I6af92da40147b968a938d1263df54c4cfe7bcf6d
Reviewed-by: Jüri Valdmann <juri.valdmann@qt.io>

1 files changed, 10 insertions, 2 deletions

diff --git a/src/core/web_engine_context.cpp b/src/core/web_engine_context.cpp
index a4ceb3a97..6e805fa67 100644
--- a/src/core/web_engine_context.cpp
+++ b/src/core/web_engine_context.cpp
@@ -73,6 +73,7 @@
 #include "content/public/common/content_paths.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/main_function_params.h"
+#include "content/public/common/network_service_util.h"
 #include "gpu/command_buffer/service/gpu_switches.h"
 #include "gpu/command_buffer/service/sync_point_manager.h"
 #include "media/audio/audio_manager.h"
@@ -529,8 +530,12 @@ WebEngineContext::WebEngineContext()
     // The video-capture service is not functioning at this moment (since 69)
     appendToFeatureList(disableFeatures, features::kMojoVideoCapture.name);
 
-    // We do not yet support the network-service, but it is enabled by default since 75.
-    appendToFeatureList(disableFeatures, network::features::kNetworkService.name);
+    // We do not yet fully support the network-service, but it has been enabled by default since 75.
+    bool enableNetworkService  = parsedCommandLine->HasSwitch("enable-network-service");
+    parsedCommandLine->RemoveSwitch("enable-network-service");
+    if (!enableNetworkService)
+        appendToFeatureList(disableFeatures, network::features::kNetworkService.name);
+
     // BlinkGenPropertyTrees is enabled by default in 75, but causes regressions.
     appendToFeatureList(disableFeatures, blink::features::kBlinkGenPropertyTrees.name);
 
@@ -677,6 +682,9 @@ WebEngineContext::WebEngineContext()
     m_serviceManagerEnvironment = std::make_unique<content::ServiceManagerEnvironment>(content::BrowserTaskExecutor::CreateIOThread());
     m_startupData = m_serviceManagerEnvironment->CreateBrowserStartupData();
 
+    if (base::FeatureList::IsEnabled(network::features::kNetworkService))
+        content::ForceInProcessNetworkService(true);
+
     // Once the MessageLoop has been created, attach a top-level RunLoop.
     m_runLoop.reset(new base::RunLoop);
     m_runLoop->BeforeRun();