chromeos: Turn off displays on suspend

ui/display/chromeos/display_configurator_unittest.cc

Index: ui/display/chromeos/display_configurator_unittest.cc
diff --git a/ui/display/chromeos/display_configurator_unittest.cc b/ui/display/chromeos/display_configurator_unittest.cc
index aaee7b526b67f0730ee70d3bac89e44ff0a0982c..914b461f8e85dd79d6a1584a9aff91a4a5ce9520 100644
--- a/ui/display/chromeos/display_configurator_unittest.cc
+++ b/ui/display/chromeos/display_configurator_unittest.cc
@@ -851,11 +851,16 @@ TEST_F(DisplayConfiguratorTest, SuspendAndResume) {
           NULL),
       log_->GetActionsAndClear());
   configurator_.ResumeDisplays();
+
+  // Expect the GetFramebuffer and GetCrtc actions to happen twice since we
+  // configure the cached displays on resume to speed things up.
   EXPECT_EQ(
       JoinActions(
           kGrab,
           GetFramebufferAction(small_mode_.size(), &outputs_[0], NULL).c_str(),
           GetCrtcAction(outputs_[0], &small_mode_, gfx::Point(0, 0)).c_str(),
+          GetFramebufferAction(small_mode_.size(), &outputs_[0], NULL).c_str(),
+          GetCrtcAction(outputs_[0], &small_mode_, gfx::Point(0, 0)).c_str(),
           kForceDPMS,
           kUngrab,
           NULL),
@@ -1295,11 +1300,16 @@ TEST_F(DisplayConfiguratorTest, DoNotConfigureWithSuspendedDisplays) {
   EXPECT_EQ(kNoActions, log_->GetActionsAndClear());
 
   configurator_.ResumeDisplays();
+
+  // Expect the GetFramebuffer and GetCrtc actions to happen twice since we
+  // configure the cached displays on resume to speed things up.
   EXPECT_EQ(
       JoinActions(
           kGrab,
           GetFramebufferAction(small_mode_.size(), &outputs_[0], NULL).c_str(),
           GetCrtcAction(outputs_[0], &small_mode_, gfx::Point(0, 0)).c_str(),
+          GetFramebufferAction(small_mode_.size(), &outputs_[0], NULL).c_str(),
+          GetCrtcAction(outputs_[0], &small_mode_, gfx::Point(0, 0)).c_str(),
           kForceDPMS,
           kUngrab,
           NULL),