Bug 1733308 - Fix non-unified builds errors in xpcom/io. r=xpcom-reviewers,mccr8

xpcom/io/InputStreamLengthHelper.cpp:14:22: error: unused variable 'kStreamTransportServiceCID' [-Werror,-Wunused-const-variable]
xpcom/io/SeekableStreamWrapper.cpp:422:17: error: no member named 'InputStreamHelper' in namespace 'mozilla::ipc'
xpcom/io/nsSegmentedBuffer.cpp:117:11: error: no viable conversion from '(lambda at /tmp/central/xpcom/io/nsSegmentedBuffer.cpp:117:11)' to 'void *'
xpcom/io/nsSegmentedBuffer.cpp:128:11: error: no viable conversion from '(lambda at /tmp/central/xpcom/io/nsSegmentedBuffer.cpp:128:11)' to 'void *'
xpcom/io/nsSegmentedBuffer.cpp:131:25: error: out-of-line definition of 'FreeOMT' does not match any declaration in 'nsSegmentedBuffer'
xpcom/io/nsSegmentedBuffer.cpp:143:16: error: use of function template name with no prior declaration in function call with explicit template arguments is a C++20 extension [-Werror,-Wc++20-extensions]
xpcom/io/nsSegmentedBuffer.cpp:143:16: error: use of undeclared identifier 'MakeRefPtr'; did you mean 'mozilla::MakeRefPtr'?
xpcom/io/nsSegmentedBuffer.cpp:164:35: error: implicit instantiation of undefined template 'nsTArray<std::function<void ()>>'
xpcom/io/nsSegmentedBuffer.cpp:164:44: error: lambda capture 'this' is not used [-Werror,-Wunused-lambda-capture]
xpcom/io/nsSegmentedBuffer.cpp:165:14: error: use of undeclared identifier 'mTasks'
xpcom/io/nsSegmentedBuffer.h:90:25: error: member initializer 'mTasks' does not name a non-static data member or base class
xpcom/io/nsSegmentedBuffer.h:95:25: error: no template named 'function' in namespace 'std'
xpcom/io/nsSegmentedBuffer.h:96:20: error: use of undeclared identifier 'mTasks'
xpcom/io/nsSegmentedBuffer.h:104:24: error: use of undeclared identifier 'nsTArray'
xpcom/io/nsSegmentedBuffer.h:104:38: error: no member named 'function' in namespace 'std'
xpcom/io/nsSegmentedBuffer.h:104:55: error: expected member name or ';' after declaration specifiers
xpcom/io/nsSegmentedBuffer.h:104:57: error: private field 'mTasks' is not used [-Werror,-Wunused-private-field]
xpcom/io/nsSegmentedBuffer.h:108:21: error: no template named 'function' in namespace 'std'
xpcom/io/nsStorageStream.cpp:576:3: error: no template named 'DebugOnly'
xpcom/io/nsStorageStream.cpp:576:3: error: no template named 'DebugOnly'; did you mean 'mozilla::DebugOnly'?

Differential Revision: https://phabricator.services.mozilla.com/D127040

xpcom/io/InputStreamLengthHelper.cpp

@@ -11,8 +11,6 @@
 #include "nsNetCID.h"
 #include "nsServiceManagerUtils.h"
 
-static NS_DEFINE_CID(kStreamTransportServiceCID, NS_STREAMTRANSPORTSERVICE_CID);
-
 namespace mozilla {
 
 namespace {

xpcom/io/SeekableStreamWrapper.cpp

@@ -7,6 +7,7 @@
 #include "mozilla/SeekableStreamWrapper.h"
 
 #include "mozilla/InputStreamLengthHelper.h"
+#include "mozilla/ipc/InputStreamUtils.h"
 #include "nsStreamUtils.h"
 
 namespace mozilla {

xpcom/io/moz.build

@@ -153,5 +153,3 @@ LOCAL_INCLUDES += [
     "!..",
     "../build",
 ]
-
-REQUIRES_UNIFIED_BUILD = True

xpcom/io/nsSegmentedBuffer.cpp

@@ -140,7 +140,7 @@ void nsSegmentedBuffer::FreeOMT(std::function<void()>&& aTask) {
       return;
     }
   } else {
-    mFreeOMT = MakeRefPtr<FreeOMTPointers>();
+    mFreeOMT = mozilla::MakeRefPtr<FreeOMTPointers>();
     mFreeOMT->AddTask(std::move(aTask));
   }
 

xpcom/io/nsSegmentedBuffer.h

@@ -8,10 +8,12 @@
 #define nsSegmentedBuffer_h__
 
 #include <stddef.h>
+#include <functional>
 
 #include "nsCOMPtr.h"
 #include "nsDebug.h"
 #include "nsError.h"
+#include "nsTArray.h"
 #include "mozilla/DataMutex.h"
 
 class nsIEventTarget;

xpcom/io/nsStorageStream.cpp

@@ -573,7 +573,7 @@ void nsStorageInputStream::SerializeInternal(InputStreamParams& aParams,
   *aSizeUsed = 0;
 
   uint64_t remaining = 0;
-  DebugOnly<nsresult> rv = Available(&remaining);
+  mozilla::DebugOnly<nsresult> rv = Available(&remaining);
   MOZ_ASSERT(NS_SUCCEEDED(rv));
 
   if (remaining >= aMaxSize) {