Fleshes out WidgetGTK and WindowGTK a bit more. This is still vary...

chrome/views/controls/button/native_button.cc

Index: chrome/views/controls/button/native_button.cc
===================================================================
--- chrome/views/controls/button/native_button.cc	(revision 15583)
+++ chrome/views/controls/button/native_button.cc	(working copy)
@@ -4,6 +4,10 @@
 
 #include "chrome/views/controls/button/native_button.h"
 
+#if defined(OS_LINUX)
+#include <gdk/gdkkeysyms.h>
+#endif
+
 #include "app/l10n_util.h"
 #include "base/logging.h"
 
@@ -69,10 +73,15 @@
 void NativeButton::SetIsDefault(bool is_default) {
   if (is_default == is_default_)
     return;
+#if defined(OS_WIN)
+  int return_code = VK_RETURN;
+#else
+  int return_code = GDK_Return;
+#endif
   if (is_default)
-    AddAccelerator(Accelerator(VK_RETURN, false, false, false));
+    AddAccelerator(Accelerator(return_code, false, false, false));
   else
-    RemoveAccelerator(Accelerator(VK_RETURN, false, false, false));
+    RemoveAccelerator(Accelerator(return_code, false, false, false));
   SetAppearsAsDefault(is_default);
 }
 
@@ -106,6 +115,7 @@
 
   // Clamp the size returned to at least the minimum size.
   if (!ignore_minimum_size_) {
+#if defined(OS_WIN)
     if (minimum_size_.width()) {
       int min_width = font_.horizontal_dlus_to_pixels(minimum_size_.width());
       sz.set_width(std::max(static_cast<int>(sz.width()), min_width));
@@ -114,6 +124,10 @@
       int min_height = font_.vertical_dlus_to_pixels(minimum_size_.height());
       sz.set_height(std::max(static_cast<int>(sz.height()), min_height));
     }
+#else
+    if (minimum_size_.width() || minimum_size_.height())
+      NOTIMPLEMENTED();
+#endif
   }
 
   return sz;