Bug 1541150: Add missing includes/namespaces/decls to fix non-unified build bustage in layout/base. r=boris

Differential Revision: https://phabricator.services.mozilla.com/D25827

--HG--
extra : moz-landing-system : lando

layout/base/MobileViewportManager.cpp

@@ -9,6 +9,7 @@
 #include "gfxPrefs.h"
 #include "LayersLogging.h"
 #include "mozilla/PresShell.h"
+#include "mozilla/dom/Document.h"
 #include "mozilla/dom/Event.h"
 #include "mozilla/dom/EventTarget.h"
 #include "nsIFrame.h"
@@ -16,7 +17,6 @@
 #include "nsViewManager.h"
 #include "nsViewportInfo.h"
 #include "UnitTransforms.h"
-#include "mozilla/dom/Document.h"
 
 #define MVM_LOG(...)
 // #define MVM_LOG(...) printf_stderr("MVM: " __VA_ARGS__)
@@ -30,6 +30,7 @@ NS_IMPL_ISUPPORTS(MobileViewportManager, nsIDOMEventListener, nsIObserver)
 #define BEFORE_FIRST_PAINT NS_LITERAL_CSTRING("before-first-paint")
 
 using namespace mozilla;
+using namespace mozilla::dom;
 using namespace mozilla::layers;
 
 MobileViewportManager::MobileViewportManager(nsIPresShell* aPresShell,

layout/base/ZoomConstraintsClient.cpp

@@ -36,6 +36,7 @@ NS_IMPL_ISUPPORTS(ZoomConstraintsClient, nsIDOMEventListener, nsIObserver)
 #define NS_PREF_CHANGED NS_LITERAL_CSTRING("nsPref:changed")
 
 using namespace mozilla;
+using namespace mozilla::dom;
 using namespace mozilla::layers;
 
 ZoomConstraintsClient::ZoomConstraintsClient()

layout/base/nsLayoutUtils.cpp

@@ -26,6 +26,7 @@
 #include "mozilla/Unused.h"
 #include "nsCharTraits.h"
 #include "mozilla/dom/Document.h"
+#include "mozilla/dom/DocumentInlines.h"
 #include "nsFontMetrics.h"
 #include "nsPresContext.h"
 #include "nsPresContextInlines.h"