Removing unused _NS_IMPL_LAYOUT define.

Thanks to Stephen Walker <walk84@yahoo.com> for the patch.
Bug #162308 r=cls

content/base/src/Makefile.in

@@ -104,8 +104,6 @@ FORCE_STATIC_LIB = 1
 
 include $(topsrcdir)/config/rules.mk
 
-DEFINES		+= -D_IMPL_NS_LAYOUT
-
 ifeq ($(OS_ARCH),WINNT)
 DEFINES		+= -DWIN32_LEAN_AND_MEAN
 endif

content/macbuild/contentSharedPrefix.h

@@ -20,7 +20,6 @@
  * Contributor(s): 
  */
 
-#define _IMPL_NS_LAYOUT 1
 #define MOZ_XUL 1
 #define INCLUDE_XUL 1
 

content/macbuild/contentSharedPrefix_debug.h

@@ -20,7 +20,6 @@
  * Contributor(s): 
  */
 
-#define _IMPL_NS_LAYOUT 1
 #define MOZ_XUL 1
 #define INCLUDE_XUL 1
 

content/shared/src/Makefile.in

@@ -70,8 +70,6 @@ FORCE_STATIC_LIB = 1
 
 include $(topsrcdir)/config/rules.mk
 
-DEFINES		+= -D_IMPL_NS_LAYOUT
-
 ifeq ($(OS_ARCH),WINNT)
 DEFINES		+= -DWIN32_LEAN_AND_MEAN
 endif

editor/libeditor/html/nsHTMLEditor.cpp

@@ -111,10 +111,7 @@
 #include "nsISupportsPrimitives.h"
 #include "SetDocTitleTxn.h"
 #include "nsGUIEvent.h"
-
-#define _IMPL_NS_LAYOUT
 #include "nsTextFragment.h"
-#undef _IMPL_NS_LAYOUT
 
 // netwerk
 #include "nsIURI.h"

editor/libeditor/html/nsWSRunObject.cpp

@@ -36,14 +36,7 @@
  *
  * ***** END LICENSE BLOCK ***** */
 
-//
-// Define _IMPL_NS_LAYOUT to avoid link errors having to do with
-// nsTextFragment methods, on Win32 platforms.
-//
-#define _IMPL_NS_LAYOUT
 #include "nsTextFragment.h"
-#undef _IMPL_NS_LAYOUT
-
 #include "nsWSRunObject.h"
 #include "nsISupportsArray.h"
 #include "nsIDOMNode.h"

layout/base/src/Makefile.in

@@ -79,8 +79,6 @@ FORCE_STATIC_LIB = 1
 
 include $(topsrcdir)/config/rules.mk
 
-DEFINES		+= -D_IMPL_NS_LAYOUT
-
 ifeq ($(OS_ARCH),WINNT)
 DEFINES		+= -DWIN32_LEAN_AND_MEAN
 endif

layout/macbuild/layoutSharedPrefix.h

@@ -20,7 +20,6 @@
  * Contributor(s): 
  */
 
-#define _IMPL_NS_LAYOUT 1
 #define MOZ_XUL 1
 #define INCLUDE_XUL 1
 

layout/macbuild/layoutSharedPrefix_debug.h

@@ -20,7 +20,6 @@
  * Contributor(s): 
  */
 
-#define _IMPL_NS_LAYOUT 1
 #define MOZ_XUL 1
 #define INCLUDE_XUL 1