Bug 1367870 - Add stringification helper for WrRect. r=jrmuizel

MozReview-Commit-ID: FMw6tPI2LOJ

gfx/layers/LayersLogging.cpp

@@ -69,6 +69,17 @@ AppendToString(std::stringstream& aStream, const nsRect& r,
   aStream << sfx;
 }
 
+void
+AppendToString(std::stringstream& aStream, const WrRect& r,
+               const char* pfx, const char* sfx)
+{
+  aStream << pfx;
+  aStream << nsPrintfCString(
+    "(x=%f, y=%f, w=%f, h=%f)",
+    r.x, r.y, r.width, r.height).get();
+  aStream << sfx;
+}
+
 void
 AppendToString(std::stringstream& aStream, const nsRegion& r,
                const char* pfx, const char* sfx)

gfx/layers/LayersLogging.h

@@ -18,6 +18,8 @@
 #include "nsRegion.h"                   // for nsRegion, nsIntRegion
 #include "nscore.h"                     // for nsACString, etc
 
+struct WrRect;
+
 namespace mozilla {
 namespace gfx {
 template <class units, class F> struct RectTyped;
@@ -87,6 +89,10 @@ AppendToString(std::stringstream& aStream, const mozilla::gfx::IntRectTyped<T>&
   aStream << sfx;
 }
 
+void
+AppendToString(std::stringstream& aStream, const WrRect& r,
+               const char* pfx="", const char* sfx="");
+
 void
 AppendToString(std::stringstream& aStream, const nsRegion& r,
                const char* pfx="", const char* sfx="");