ash/chromeos: Add shift-alt-p shortcut to open palette.

ash/common/test/test_palette_delegate.cc

Index: ash/common/test/test_palette_delegate.cc
diff --git a/ash/common/test/test_palette_delegate.cc b/ash/common/test/test_palette_delegate.cc
index 0ca38204b25fad4fa7c583330d3d4af263e8c560..b3bd02943eddb954d7b48ac2e2f9d780073ed725 100644
--- a/ash/common/test/test_palette_delegate.cc
+++ b/ash/common/test/test_palette_delegate.cc
@@ -37,6 +37,10 @@ bool TestPaletteDelegate::ShouldAutoOpenPalette() {
   return should_auto_open_palette_;
 }
 
+bool TestPaletteDelegate::ShouldShowPalette() {
+  return should_show_palette_;
+}
+
 void TestPaletteDelegate::TakeScreenshot() {
   ++take_screenshot_count_;
 }