Bug 1687553 - Make more `dump` implementations log to MOZ_LOG system under module "Dump". r=xpcom-reviewers,nika

This is an extension of the existing implementations added by Bug
1059469.

By extension, this makes `console.log` and friends log to the MOZ_LOG
system when `browser.dom.window.dump.enabled` is true.

My immediate use case is capturing cumulative logs for the new
`--backgroundtask ...` mode that will be used to invoke maintenance
tasks when Firefox itself is not running.

This will lead to duplicate messages (from both the MOZ_LOG system and
`fputs`) when the MOZ_LOG system is not redirected but there's no
particular harm in that.  In the future, we could not `fputs` when the
MOZ_LOG system will log the given message, but it seems better to
actually do the work to connect the `Log.jsm` and `ConsoleAPI.jsm`
systems to MOZ_LOG rather than continue to add work arounds.

Differential Revision: https://phabricator.services.mozilla.com/D104636

dom/base/MessageManagerGlobal.cpp

@@ -6,6 +6,7 @@
 
 #include "mozilla/dom/MessageManagerGlobal.h"
 #include "mozilla/IntentionalCrash.h"
+#include "mozilla/Logging.h"
 #include "nsContentUtils.h"
 #include "nsJSUtils.h"
 
@@ -23,16 +24,18 @@ void MessageManagerGlobal::Dump(const nsAString& aStr) {
     return;
   }
 
+  NS_ConvertUTF16toUTF8 cStr(aStr);
+  MOZ_LOG(nsContentUtils::DOMDumpLog(), mozilla::LogLevel::Debug,
+          ("[MessageManager.Dump] %s", cStr.get()));
 #ifdef ANDROID
-  __android_log_print(ANDROID_LOG_INFO, "Gecko", "%s",
-                      NS_ConvertUTF16toUTF8(aStr).get());
+  __android_log_print(ANDROID_LOG_INFO, "Gecko", "%s", cStr.get());
 #endif
 #ifdef XP_WIN
   if (IsDebuggerPresent()) {
     OutputDebugStringW(PromiseFlatString(aStr).get());
   }
 #endif
-  fputs(NS_ConvertUTF16toUTF8(aStr).get(), stdout);
+  fputs(cStr.get(), stdout);
   fflush(stdout);
 }
 

dom/worklet/WorkletGlobalScope.cpp

@@ -9,6 +9,7 @@
 #include "mozilla/dom/WorkletImpl.h"
 #include "mozilla/dom/WorkletThread.h"
 #include "mozilla/dom/Console.h"
+#include "nsContentUtils.h"
 #include "nsJSUtils.h"
 
 namespace mozilla {
@@ -80,10 +81,11 @@ void WorkletGlobalScope::Dump(const Optional<nsAString>& aString) const {
 
   NS_ConvertUTF16toUTF8 str(aString.Value());
 
+  MOZ_LOG(nsContentUtils::DOMDumpLog(), mozilla::LogLevel::Debug,
+          ("[Worklet.Dump] %s", str.get()));
 #ifdef ANDROID
   __android_log_print(ANDROID_LOG_INFO, "Gecko", "%s", str.get());
 #endif
-
   fputs(str.get(), stdout);
   fflush(stdout);
 }

js/xpconnect/loader/mozJSComponentLoader.cpp

@@ -121,6 +121,8 @@ static bool Dump(JSContext* cx, unsigned argc, Value* vp) {
     return false;
   }
 
+  MOZ_LOG(nsContentUtils::DOMDumpLog(), mozilla::LogLevel::Debug,
+          ("[Backstage.Dump] %s", utf8str.get()));
 #ifdef ANDROID
   __android_log_print(ANDROID_LOG_INFO, "Gecko", "%s", utf8str.get());
 #endif

js/xpconnect/src/Sandbox.cpp

@@ -177,10 +177,11 @@ static bool SandboxDump(JSContext* cx, unsigned argc, Value* vp) {
     c++;
   }
 #endif
+  MOZ_LOG(nsContentUtils::DOMDumpLog(), mozilla::LogLevel::Debug,
+          ("[Sandbox.Dump] %s", cstr));
 #ifdef ANDROID
   __android_log_write(ANDROID_LOG_INFO, "GeckoDump", cstr);
 #endif
-
   fputs(cstr, stdout);
   fflush(stdout);
   args.rval().setBoolean(true);