[Views] Only paint background of text portion of LabelButton in inverted color theme.

ui/views/controls/button/label_button.cc

Index: ui/views/controls/button/label_button.cc
diff --git a/ui/views/controls/button/label_button.cc b/ui/views/controls/button/label_button.cc
index 888a97c53fe1258e7a073d6f38ad2182d3fb7267..e858230c32cd2d824f47de5a420e2dbc8b315d8c 100644
--- a/ui/views/controls/button/label_button.cc
+++ b/ui/views/controls/button/label_button.cc
@@ -8,6 +8,7 @@
 #include "grit/ui_resources.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/animation/throb_animation.h"
+#include "ui/gfx/canvas.h"
 #include "ui/gfx/font_list.h"
 #include "ui/gfx/sys_color_change_listener.h"
 #include "ui/native_theme/native_theme.h"
@@ -275,6 +276,12 @@ const char* LabelButton::GetClassName() const {
 
 void LabelButton::OnPaint(gfx::Canvas* canvas) {
   View::OnPaint(canvas);
+
+  if (gfx::IsInvertedColorScheme()) {
+    gfx::Rect rect(label()->bounds());
+    canvas->FillRect(rect, label()->background_color());

[msw, 2014/01/03 00:16:39]

nit: s/label()/label_/; inline label_->bounds(); drop the curly braces.

[Greg Billock, 2014/01/06 17:29:20]

Done.

+  }
+
   Painter::PaintFocusPainter(this, canvas, focus_painter_.get());
 }