Merge "Size negotiation patch 3: Scope size negotiation enums" into tizen

diff --cc dali-toolkit/internal/controls/buttons/button-impl.cpp
Simple merge

diff --cc dali-toolkit/internal/controls/popup/popup-impl.cpp
Simple merge

diff --cc dali-toolkit/internal/controls/view/view-impl.cpp
Simple merge

diff --cc dali-toolkit/internal/focus-manager/focus-manager-impl.cpp
Simple merge

diff --cc dali-toolkit/internal/focus-manager/keyboard-focus-manager-impl.cpp
Simple merge

diff --cc dali-toolkit/public-api/controls/control-impl.cpp
Simple merge