cc: Remove WebCore::FloatRect use from the compositor.

cc/occlusion_tracker.cc

Index: cc/occlusion_tracker.cc
diff --git a/cc/occlusion_tracker.cc b/cc/occlusion_tracker.cc
index 15233624f493d8543a35efc4839bc23233ecce94..39bbfe3872494394d8a66dc8301fb914a8d13cdb 100644
--- a/cc/occlusion_tracker.cc
+++ b/cc/occlusion_tracker.cc
@@ -8,7 +8,6 @@
 
 #include <algorithm>
 
-#include "FloatRect.h"
 #include "cc/layer.h"
 #include "cc/layer_impl.h"
 #include "cc/math_util.h"
@@ -134,7 +133,7 @@ static inline Region transformSurfaceOpaqueRegion(const RenderSurfaceType* surfa
     Vector<WebCore::IntRect> rects = region.rects();
     for (size_t i = 0; i < rects.size(); ++i) {
         // We've already checked for clipping in the mapQuad call above, these calls should not clip anything further.
-        gfx::Rect transformedRect = gfx::ToEnclosedRect(MathUtil::mapClippedRect(transform, cc::FloatRect(rects[i])));
+        gfx::Rect transformedRect = gfx::ToEnclosedRect(MathUtil::mapClippedRect(transform, gfx::RectF(gfx::Rect(cc::IntRect(rects[i])))));

[enne (OOO), 2012/11/02 18:05:51]

This is one heck of a transformation sequence of rect types.

[danakj, 2012/11/02 18:08:31]

Yeh :|

WebCore->cc::IntRect so we can convert to gfx.
But there's no conversion from cc::IntRect to RectF, and adding that makes other
places ambiguous. So.. yeh /o\

         if (!surface->clipRect().IsEmpty())
             transformedRect.Intersect(surface->clipRect());
         transformedRegion.Union(transformedRect);
@@ -261,7 +260,7 @@ static inline void addOcclusionBehindLayer(Region& region, const LayerType* laye
     Vector<WebCore::IntRect> contentRects = opaqueContents.rects();
     for (size_t i = 0; i < contentRects.size(); ++i) {
         // We've already checked for clipping in the mapQuad call above, these calls should not clip anything further.
-        gfx::Rect transformedRect = gfx::ToEnclosedRect(MathUtil::mapClippedRect(transform, cc::FloatRect(contentRects[i])));
+        gfx::Rect transformedRect = gfx::ToEnclosedRect(MathUtil::mapClippedRect(transform, gfx::RectF(gfx::Rect(cc::IntRect(contentRects[i])))));
         transformedRect.Intersect(clipRectInTarget);
         if (transformedRect.width() >= minimumTrackingSize.width() || transformedRect.height() >= minimumTrackingSize.height()) {
             if (occludingScreenSpaceRects)