re-re-land of https://codereview.chromium.org/11364053/

ui/views/widget/widget.cc

Index: ui/views/widget/widget.cc
diff --git a/ui/views/widget/widget.cc b/ui/views/widget/widget.cc
index d0c71ef2f5202a17f3c877ef7103b7264afc5add..6226b3aac336cb080a1a55413355c6424b37e546 100644
--- a/ui/views/widget/widget.cc
+++ b/ui/views/widget/widget.cc
@@ -159,7 +159,8 @@ Widget::InitParams::InitParams()
       native_widget(NULL),
       desktop_root_window_host(NULL),
       top_level(false),
-      layer_type(ui::LAYER_TEXTURED) {
+      layer_type(ui::LAYER_TEXTURED),
+      context(NULL) {
 }
 
 Widget::InitParams::InitParams(Type type)
@@ -184,7 +185,8 @@ Widget::InitParams::InitParams(Type type)
       native_widget(NULL),
       desktop_root_window_host(NULL),
       top_level(false),
-      layer_type(ui::LAYER_TEXTURED) {
+      layer_type(ui::LAYER_TEXTURED),
+      context(NULL) {
 }
 
 gfx::NativeView Widget::InitParams::GetParent() const {