dissolveToFraction  814 Source/core/page/DragController.cpp         dragImage->dissolveToFraction(DragImageAlpha);
dissolveToFraction  879 Source/core/page/DragController.cpp                 dragImage->dissolveToFraction(DragImageAlpha);
dissolveToFraction   52 Source/platform/DragImage.h     void dissolveToFraction(float fraction);
dissolveToFraction  123 Source/platform/DragImageTest.cpp     dragImage->dissolveToFraction(0.5);