aura: Make GTK a dependency again for chrome/aura etc. to make things buildable.

BUG=97131
TEST=none

Review URL: http://codereview.chromium.org/7978016

git-svn-id: http://src.chromium.org/svn/trunk/src/build@102078 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

build_config.h

@@ -45,7 +45,7 @@
 
 // A flag derived from the above flags, used to cover GTK code in
 // both TOOLKIT_GTK and TOOLKIT_VIEWS.
-#if defined(TOOLKIT_GTK) || (defined(TOOLKIT_VIEWS) && !defined(OS_WIN) && !defined(USE_AURA))
+#if defined(TOOLKIT_GTK) || (defined(TOOLKIT_VIEWS) && !defined(OS_WIN))
 #define TOOLKIT_USES_GTK 1
 #endif
 

common.gypi

@@ -237,7 +237,7 @@
           'use_x11%': 1,
         }],
         ['use_aura==1 and OS!="win"', {
-          'toolkit_uses_gtk%': 0,
+          'toolkit_uses_gtk%': 1,
         }],
 
         # A flag to enable or disable our compile-time dependency