Bug 1461965 - Enable xpcshell test coverage for GeckoView Telemetry. r=chutten,froydnj,janerik

This patch introduces the nsITelemetryGeckoViewTesting IDL interface which
allows to control the Telemetry GeckoView persistence feature. This is
useful to enable xpcshell test coverage for GeckoView code on all platforms.

MozReview-Commit-ID: Hh0oq4qdqrX

toolkit/components/build/nsToolkitCompsModule.cpp

@@ -59,6 +59,10 @@
 #include "nsPerformanceStats.h"
 #endif // defined (MOZ_HAS_PERFSTATS)
 
+#if defined(ENABLE_TESTS)
+#include "geckoview/TelemetryGeckoViewTesting.h"
+#endif
+
 using namespace mozilla;
 
 /////////////////////////////////////////////////////////////////////////////
@@ -128,6 +132,10 @@ NS_GENERIC_FACTORY_SINGLETON_CONSTRUCTOR(ExtensionPolicyService, ExtensionPolicy
 
 NS_GENERIC_FACTORY_CONSTRUCTOR(nsSessionStoreUtils)
 
+#if defined(ENABLE_TESTS)
+NS_GENERIC_FACTORY_CONSTRUCTOR(TelemetryGeckoViewTestingImpl)
+#endif
+
 NS_DEFINE_NAMED_CID(NS_TOOLKIT_APPSTARTUP_CID);
 #if defined(MOZ_HAS_PERFSTATS)
 NS_DEFINE_NAMED_CID(NS_TOOLKIT_PERFORMANCESTATSSERVICE_CID);
@@ -162,6 +170,9 @@ NS_DEFINE_NAMED_CID(NS_ADDON_MANAGER_STARTUP_CID);
 NS_DEFINE_NAMED_CID(NS_ADDON_POLICY_SERVICE_CID);
 NS_DEFINE_NAMED_CID(NS_SESSIONSTOREUTILS_CID);
 NS_DEFINE_NAMED_CID(NATIVE_FILEWATCHER_SERVICE_CID);
+#if defined(ENABLE_TESTS)
+NS_DEFINE_NAMED_CID(NS_TELEMETRYGECKOVIEWTESTING_CID);
+#endif
 
 static const Module::CIDEntry kToolkitCIDs[] = {
   { &kNS_TOOLKIT_APPSTARTUP_CID, false, nullptr, nsAppStartupConstructor },
@@ -197,6 +208,9 @@ static const Module::CIDEntry kToolkitCIDs[] = {
   { &kNS_ADDON_POLICY_SERVICE_CID, false, nullptr, ExtensionPolicyServiceConstructor },
   { &kNS_SESSIONSTOREUTILS_CID, false, nullptr, nsSessionStoreUtilsConstructor },
   { &kNATIVE_FILEWATCHER_SERVICE_CID, false, nullptr, NativeFileWatcherServiceConstructor },
+#if defined(ENABLE_TESTS)
+  { &kNS_TELEMETRYGECKOVIEWTESTING_CID, false, nullptr, TelemetryGeckoViewTestingImplConstructor },
+#endif
   { nullptr }
 };
 
@@ -235,6 +249,9 @@ static const Module::ContractIDEntry kToolkitContracts[] = {
   { NS_ADDON_POLICY_SERVICE_CONTRACTID, &kNS_ADDON_POLICY_SERVICE_CID },
   { NS_SESSIONSTOREUTILS_CONTRACTID, &kNS_SESSIONSTOREUTILS_CID },
   { NATIVE_FILEWATCHER_SERVICE_CONTRACTID, &kNATIVE_FILEWATCHER_SERVICE_CID },
+#if defined(ENABLE_TESTS)
+  { NS_TELEMETRYGECKOVIEWTESTING_CONTRACTID, &kNS_TELEMETRYGECKOVIEWTESTING_CID },
+#endif
   { nullptr }
 };