LibGfx: Reduce header dependencies of Bitmap and Font

Libraries/LibGUI/Icon.cpp

@@ -24,6 +24,7 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include <AK/String.h>
 #include <LibGUI/Icon.h>
 
 GIcon::GIcon()

Libraries/LibGfx/Bitmap.cpp

@@ -25,6 +25,7 @@
  */
 
 #include <AK/SharedBuffer.h>
+#include <AK/String.h>
 #include <LibGfx/Bitmap.h>
 #include <LibGfx/PNGLoader.h>
 #include <errno.h>

Libraries/LibGfx/Bitmap.h

@@ -30,10 +30,8 @@
 #include <AK/MappedFile.h>
 #include <AK/RefCounted.h>
 #include <AK/RefPtr.h>
-#include <AK/String.h>
 #include <LibGfx/Color.h>
 #include <LibGfx/Rect.h>
-#include <LibGfx/Size.h>
 
 namespace Gfx {
 

Libraries/LibGfx/Font.h

@@ -31,7 +31,7 @@
 #include <AK/RefPtr.h>
 #include <AK/String.h>
 #include <AK/Types.h>
-#include <LibGfx/Rect.h>
+#include <LibGfx/Size.h>
 
 namespace Gfx {