Allow assertions to be enabled in Blink Release builds.

Source/platform/graphics/Image.h

Index: Source/platform/graphics/Image.h
diff --git a/Source/platform/graphics/Image.h b/Source/platform/graphics/Image.h
index 706f15ca1331a95c072904b6bd04343637f0aea8..ea81ae9032c4d39b7585786829497e40777bc4a4 100644
--- a/Source/platform/graphics/Image.h
+++ b/Source/platform/graphics/Image.h
@@ -34,6 +34,7 @@
 #include "platform/graphics/ImageOrientation.h"
 #include "platform/graphics/skia/NativeImageSkia.h"
 #include "third_party/skia/include/core/SkXfermode.h"
+#include "wtf/Assertions.h"

[Ken Russell (switch to Gerrit), 2014/07/15 23:25:35]

I'm pretty sure that based on compile failures seen during development of this
patch, this header was an example of one not properly including Assertions.h,
and previously silently failing.

 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/RefPtr.h"
@@ -118,7 +119,7 @@ public:
         const FloatSize&, const FloatPoint& phase, CompositeOperator,
         const FloatRect&, blink::WebBlendMode = blink::WebBlendModeNormal, const IntSize& repeatSpacing = IntSize());
 
-#if ASSERT_ENABLED
+#if ENABLE(ASSERT)
     virtual bool notSolidColor() { return true; }
 #endif