diff --git a/content/svg/content/src/nsSVGFilters.cpp b/content/svg/content/src/nsSVGFilters.cpp
index 1415fc0de11f..c9edc01271c6 100644
--- a/content/svg/content/src/nsSVGFilters.cpp
+++ b/content/svg/content/src/nsSVGFilters.cpp
@@ -175,7 +175,7 @@ nsSVGFE::SetupScalingFilter(nsSVGFilterInstance *aInstance,
   r.Scale(scaledSize.width/aTarget->mImage->Width(),
           scaledSize.height/aTarget->mImage->Height());
   r.RoundOut();
-  if (NS_FAILED(nsSVGUtils::GfxRectToIntRect(r, &result.mDataRect)))
+  if (NS_FAILED(nsLayoutUtils::GfxRectToIntRect(r, &result.mDataRect)))
     return result;
   
 #ifdef DEBUG_tor
@@ -2908,7 +2908,7 @@ nsSVGFETileElement::Filter(nsSVGFilterInstance *instance,
   // but nothing clips mFilterPrimitiveSubregion so this should be changed.
 
   nsIntRect tile;
-  nsresult res = nsSVGUtils::GfxRectToIntRect(aSources[0]->mFilterPrimitiveSubregion, &tile);
+  nsresult res = nsLayoutUtils::GfxRectToIntRect(aSources[0]->mFilterPrimitiveSubregion, &tile);
 
   NS_ENSURE_SUCCESS(res, res); // asserts on failure (not 
   if (tile.IsEmpty())
diff --git a/layout/base/nsLayoutUtils.cpp b/layout/base/nsLayoutUtils.cpp
index be3af44ac551..0dca3438ce45 100644
--- a/layout/base/nsLayoutUtils.cpp
+++ b/layout/base/nsLayoutUtils.cpp
@@ -892,6 +892,15 @@ nsLayoutUtils::InvertTransformsToRoot(nsIFrame *aFrame,
   return MatrixTransformPoint(aPoint, ctm.Invert(), aFrame->PresContext()->AppUnitsPerDevPixel());
 }
 
+nsresult
+nsLayoutUtils::GfxRectToIntRect(const gfxRect& aIn, nsIntRect* aOut)
+{
+  *aOut = nsIntRect(PRInt32(aIn.X()), PRInt32(aIn.Y()),
+                    PRInt32(aIn.Width()), PRInt32(aIn.Height()));
+  return gfxRect(aOut->x, aOut->y, aOut->width, aOut->height) == aIn
+    ? NS_OK : NS_ERROR_FAILURE;
+}
+
 static nsIntPoint GetWidgetOffset(nsIWidget* aWidget, nsIWidget*& aRootWidget) {
   nsIntPoint offset(0, 0);
   nsIWidget* parent = aWidget->GetParent();
diff --git a/layout/base/nsLayoutUtils.h b/layout/base/nsLayoutUtils.h
index 5c08fbb61f8e..c550943578f5 100644
--- a/layout/base/nsLayoutUtils.h
+++ b/layout/base/nsLayoutUtils.h
@@ -474,6 +474,12 @@ public:
    */
   static nsRect RoundGfxRectToAppRect(const gfxRect &aRect, float aFactor);
 
+  /**
+   * If aIn can be represented exactly using an nsIntRect (i.e.
+   * integer-aligned edges and coordinates in the PRInt32 range) then we
+   * set aOut to that rectangle, otherwise return failure.
+   */
+  static nsresult GfxRectToIntRect(const gfxRect& aIn, nsIntRect* aOut);
 
   enum {
     PAINT_IN_TRANSFORM = 0x01,
diff --git a/layout/svg/base/src/nsSVGFilterFrame.cpp b/layout/svg/base/src/nsSVGFilterFrame.cpp
index f3ea3bb352e4..a75ac5d97f9d 100644
--- a/layout/svg/base/src/nsSVGFilterFrame.cpp
+++ b/layout/svg/base/src/nsSVGFilterFrame.cpp
@@ -67,7 +67,7 @@ MapDeviceRectToFilterSpace(const gfxMatrix& aMatrix,
                                                 aDeviceRect->width, aDeviceRect->height));
     r.RoundOut();
     nsIntRect intRect;
-    if (NS_SUCCEEDED(nsSVGUtils::GfxRectToIntRect(r, &intRect))) {
+    if (NS_SUCCEEDED(nsLayoutUtils::GfxRectToIntRect(r, &intRect))) {
       rect = intRect;
     }
   }
@@ -236,7 +236,7 @@ TransformFilterSpaceToDeviceSpace(nsSVGFilterInstance *aInstance, nsIntRect *aRe
   r = m.TransformBounds(r);
   r.RoundOut();
   nsIntRect deviceRect;
-  nsresult rv = nsSVGUtils::GfxRectToIntRect(r, &deviceRect);
+  nsresult rv = nsLayoutUtils::GfxRectToIntRect(r, &deviceRect);
   if (NS_FAILED(rv))
     return rv;
   *aRect = deviceRect;
diff --git a/layout/svg/base/src/nsSVGFilterInstance.cpp b/layout/svg/base/src/nsSVGFilterInstance.cpp
index ced89cddc445..d3400ca6685f 100644
--- a/layout/svg/base/src/nsSVGFilterInstance.cpp
+++ b/layout/svg/base/src/nsSVGFilterInstance.cpp
@@ -40,6 +40,7 @@
 #include "gfxPlatform.h"
 #include "nsSVGFilterPaintCallback.h"
 #include "nsSVGFilterElement.h"
+#include "nsLayoutUtils.h"
 
 static double Square(double aX)
 {
@@ -164,7 +165,7 @@ nsSVGFilterInstance::BuildSources()
   gfxRect sourceBounds = UserSpaceToFilterSpace(mTargetBBox);
   sourceBounds.RoundOut();
   // Detect possible float->int overflow
-  if (NS_FAILED(nsSVGUtils::GfxRectToIntRect(sourceBounds, &sourceBoundsInt)))
+  if (NS_FAILED(nsLayoutUtils::GfxRectToIntRect(sourceBounds, &sourceBoundsInt)))
     return NS_ERROR_FAILURE;
 
   mSourceColorAlpha.mResultBoundingBox = sourceBoundsInt;
@@ -355,7 +356,7 @@ nsSVGFilterInstance::BuildSourceImages()
     r = m.TransformBounds(r);
     r.RoundOut();
     nsIntRect dirty;
-    nsresult rv = nsSVGUtils::GfxRectToIntRect(r, &dirty);
+    nsresult rv = nsLayoutUtils::GfxRectToIntRect(r, &dirty);
     if (NS_FAILED(rv))
       return rv;
 
diff --git a/layout/svg/base/src/nsSVGUtils.cpp b/layout/svg/base/src/nsSVGUtils.cpp
index 94b8aefdc383..86d7919ce9da 100644
--- a/layout/svg/base/src/nsSVGUtils.cpp
+++ b/layout/svg/base/src/nsSVGUtils.cpp
@@ -635,7 +635,7 @@ nsSVGUtils::FindFilterInvalidation(nsIFrame *aFrame, const nsRect& aRect)
                          TransformBounds(gfxRect(x, y, width, height));
       bounds.RoundOut();
       nsIntRect r;
-      if (NS_SUCCEEDED(nsSVGUtils::GfxRectToIntRect(bounds, &r))) {
+      if (NS_SUCCEEDED(nsLayoutUtils::GfxRectToIntRect(bounds, &r))) {
         rect = r;
       } else {
         NS_NOTREACHED("Not going to invalidate the correct area");
@@ -953,7 +953,7 @@ public:
       gfxRect dirtyBounds = userToDeviceSpace.TransformBounds(
         gfxRect(aDirtyRect->x, aDirtyRect->y, aDirtyRect->width, aDirtyRect->height));
       dirtyBounds.RoundOut();
-      if (NS_SUCCEEDED(nsSVGUtils::GfxRectToIntRect(dirtyBounds, &tmpDirtyRect))) {
+      if (NS_SUCCEEDED(nsLayoutUtils::GfxRectToIntRect(dirtyBounds, &tmpDirtyRect))) {
         dirtyRect = &tmpDirtyRect;
       }
     }
@@ -1347,15 +1347,6 @@ nsSVGUtils::ClipToGfxRect(nsIntRect* aRect, const gfxRect& aGfxRect)
                      PRInt32(r.Width()), PRInt32(r.Height()));
 }
 
-nsresult
-nsSVGUtils::GfxRectToIntRect(const gfxRect& aIn, nsIntRect* aOut)
-{
-  *aOut = nsIntRect(PRInt32(aIn.X()), PRInt32(aIn.Y()),
-                    PRInt32(aIn.Width()), PRInt32(aIn.Height()));
-  return gfxRect(aOut->x, aOut->y, aOut->width, aOut->height) == aIn
-    ? NS_OK : NS_ERROR_FAILURE;
-}
-
 gfxRect
 nsSVGUtils::GetBBox(nsIFrame *aFrame)
 {
diff --git a/layout/svg/base/src/nsSVGUtils.h b/layout/svg/base/src/nsSVGUtils.h
index 4e627a01471e..a609c40350b1 100644
--- a/layout/svg/base/src/nsSVGUtils.h
+++ b/layout/svg/base/src/nsSVGUtils.h
@@ -452,13 +452,6 @@ public:
                           const gfxMatrix &aCTM,
                           const gfxRect &aRect);
 
-  /**
-   * If aIn can be represented exactly using an nsIntRect (i.e. integer-aligned edges and
-   * coordinates in the PRInt32 range) then we set aOut to that rectangle, otherwise
-   * return failure.
-   */
-  static nsresult GfxRectToIntRect(const gfxRect& aIn, nsIntRect* aOut);
-
   /**
    * Restricts aRect to pixels that intersect aGfxRect.
    */