Bug 1300206: Add some missing #includes & namespaces in layout/generic, to prevent unified build bustage. r=mats

MozReview-Commit-ID: ETITppCzDjo

--HG--
extra : rebase_source : ca6f99991c9dfb1cf00c716c57b959d825560858

layout/generic/nsBackdropFrame.cpp

@@ -8,6 +8,8 @@
 
 #include "nsBackdropFrame.h"
 
+#include "nsDisplayList.h"
+
 using namespace mozilla;
 
 NS_IMPL_FRAMEARENA_HELPERS(nsBackdropFrame)

layout/generic/nsBackdropFrame.h

@@ -29,14 +29,15 @@ public:
   virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
                                 const nsRect& aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
-  virtual LogicalSize ComputeAutoSize(nsRenderingContext *aRenderingContext,
-                                      WritingMode aWM,
-                                      const LogicalSize& aCBSize,
-                                      nscoord aAvailableISize,
-                                      const LogicalSize& aMargin,
-                                      const LogicalSize& aBorder,
-                                      const LogicalSize& aPadding,
-                                      bool aShrinkWrap) override;
+  virtual mozilla::LogicalSize
+    ComputeAutoSize(nsRenderingContext *aRenderingContext,
+                    mozilla::WritingMode aWM,
+                    const mozilla::LogicalSize& aCBSize,
+                    nscoord aAvailableISize,
+                    const mozilla::LogicalSize& aMargin,
+                    const mozilla::LogicalSize& aBorder,
+                    const mozilla::LogicalSize& aPadding,
+                    bool aShrinkWrap) override;
   virtual void Reflow(nsPresContext* aPresContext,
                       ReflowOutput& aDesiredSize,
                       const ReflowInput& aReflowInput,

layout/generic/nsGfxScrollFrame.cpp

@@ -7,10 +7,12 @@
 
 #include "nsGfxScrollFrame.h"
 
+#include "ActiveLayerTracker.h"
 #include "base/compiler_specific.h"
 #include "DisplayItemClip.h"
 #include "DisplayItemScrollClip.h"
 #include "nsCOMPtr.h"
+#include "nsIContentViewer.h"
 #include "nsPresContext.h"
 #include "nsView.h"
 #include "nsIScrollable.h"
@@ -76,6 +78,7 @@
 
 using namespace mozilla;
 using namespace mozilla::dom;
+using namespace mozilla::layers;
 using namespace mozilla::layout;
 
 static uint32_t

layout/generic/nsIStatefulFrame.h

@@ -10,6 +10,7 @@
 #ifndef _nsIStatefulFrame_h
 #define _nsIStatefulFrame_h
 
+#include "nsContentUtils.h"
 #include "nsQueryFrame.h"
 
 class nsPresState;