Bug 921753 - Part 3: Avoid #including nsStyleStructInlines.h in nsHTMLReflowState.h; r=roc

This patch reduces the number of files that transitively #include
gfx/2d.h from 1362 to 1268.

layout/base/nsCSSRenderingBorders.h

@@ -10,6 +10,14 @@
 #include "nsColor.h"
 
 class gfxContext;
+class gfxPattern;
+struct gfxRGBA;
+
+namespace mozilla {
+namespace gfx {
+class GradientStops;
+}
+}
 
 // define this to enable a bunch of debug dump info
 #undef DEBUG_NEW_BORDERS

layout/base/nsCounterManager.cpp

@@ -11,6 +11,7 @@
 #include "nsContentUtils.h"
 #include "nsTArray.h"
 #include "mozilla/Likely.h"
+#include "nsIContent.h"
 
 bool
 nsCounterUseNode::InitTextFrame(nsGenConList* aList,

layout/generic/nsHTMLReflowState.cpp

@@ -2633,3 +2633,15 @@ nsHTMLReflowState::SetTruncated(const nsHTMLReflowMetrics& aMetrics,
     *aStatus &= ~NS_FRAME_TRUNCATED;
   }
 }
+
+bool
+nsHTMLReflowState::IsFloating() const
+{
+  return mStyleDisplay->IsFloating(frame);
+}
+
+uint8_t
+nsHTMLReflowState::GetDisplay() const
+{
+  return mStyleDisplay->GetDisplay(frame);
+}

layout/generic/nsHTMLReflowState.h

@@ -10,7 +10,6 @@
 
 #include "nsMargin.h"
 #include "nsStyleCoord.h"
-#include "nsStyleStructInlines.h"
 #include "nsIFrame.h"
 #include "mozilla/Assertions.h"
 #include <algorithm>
@@ -311,13 +310,9 @@ public:
   const nsStylePadding*    mStylePadding;
   const nsStyleText*       mStyleText;
 
-  bool IsFloating() const {
-    return mStyleDisplay->IsFloating(frame);
-  }
+  bool IsFloating() const;
 
-  uint8_t GetDisplay() const {
-    return mStyleDisplay->GetDisplay(frame);
-  }
+  uint8_t GetDisplay() const;
 
   // a frame (e.g. nsTableCellFrame) which may need to generate a special 
   // reflow for percent height calculations 

layout/generic/nsImageFrame.cpp

@@ -58,6 +58,7 @@
 #include "ImageContainer.h"
 #include "nsStyleSet.h"
 #include "nsBlockFrame.h"
+#include "nsStyleStructInlines.h"
 
 #include "mozilla/Preferences.h"
 

layout/generic/nsLineLayout.cpp

@@ -22,6 +22,7 @@
 #include "nsIContent.h"
 #include "nsLayoutUtils.h"
 #include "nsTextFrame.h"
+#include "nsStyleStructInlines.h"
 #include <algorithm>
 
 #ifdef DEBUG

layout/svg/nsSVGGlyphFrame.h

@@ -14,6 +14,7 @@
 #include "nsSVGGeometryFrame.h"
 #include "nsSVGUtils.h"
 #include "nsTextFragment.h"
+#include "nsIContent.h"
 
 class CharacterIterator;
 class gfxContext;

layout/xul/base/src/nsScrollBoxFrame.cpp

@@ -10,6 +10,7 @@
 #include "nsITimer.h"
 #include "nsRepeatService.h"
 #include "mozilla/BasicEvents.h"
+#include "nsIContent.h"
 
 class nsAutoRepeatBoxFrame : public nsButtonBoxFrame
 {

layout/xul/base/src/nsScrollbarFrame.cpp

@@ -18,6 +18,7 @@
 #include "mozilla/LookAndFeel.h"
 #include "nsThemeConstants.h"
 #include "nsRenderingContext.h"
+#include "nsIContent.h"
 
 using namespace mozilla;