Send resize event when the screen info changes.

content/browser/renderer_host/render_widget_host_unittest.cc

Index: content/browser/renderer_host/render_widget_host_unittest.cc
diff --git a/content/browser/renderer_host/render_widget_host_unittest.cc b/content/browser/renderer_host/render_widget_host_unittest.cc
index 46acbd1dbae6d48581ac9393358222dd4d686b81..50b619d7f4aeb06dbaacf4ea63c433530f580d1a 100644
--- a/content/browser/renderer_host/render_widget_host_unittest.cc
+++ b/content/browser/renderer_host/render_widget_host_unittest.cc
@@ -578,11 +578,13 @@ class RenderWidgetHostTest : public testing::Test {
   scoped_ptr<MockRenderWidgetHostDelegate> delegate_;
   scoped_ptr<MockRenderWidgetHost> host_;
   scoped_ptr<TestView> view_;
-  scoped_ptr<gfx::Screen> screen_;
   bool handle_key_press_event_;
   bool handle_mouse_event_;
   double last_simulated_event_time_seconds_;
   double simulated_event_time_delta_seconds_;
+#if defined(USE_AURA)
+  scoped_ptr<aura::TestScreen> screen_;
+#endif
 
  private:
   SyntheticWebTouchEvent touch_event_;
@@ -604,8 +606,12 @@ class RenderWidgetHostWithSourceTest
 // -----------------------------------------------------------------------------
 
 TEST_F(RenderWidgetHostTest, Resize) {
-  // The initial bounds is the empty rect, and the screen info hasn't been sent
-  // yet, so setting it to the same thing shouldn't send the resize message.
+  // The first  resize will send over the initial screen info.
+  host_->WasResized();
+  EXPECT_TRUE(process_->sink().GetUniqueMessageMatching(ViewMsg_Resize::ID));

[sadrul, 2015/04/10 22:58:30]

ClearMessages() afterwards before the next block?

[mlamouri (slow - plz ping), 2015/04/13 11:39:08]

Done.

+
+  // The initial bounds is the empty rect, so setting it to the same thing
+  // shouldn't send the resize message.
   view_->set_bounds(gfx::Rect());
   host_->WasResized();
   EXPECT_FALSE(host_->resize_ack_pending_);
@@ -719,6 +725,27 @@ TEST_F(RenderWidgetHostTest, Resize) {
   EXPECT_TRUE(process_->sink().GetUniqueMessageMatching(ViewMsg_Resize::ID));
 }
 
+// Test resize events with screen info changes.
+TEST_F(RenderWidgetHostTest, ResizeScreenInfo) {
+  // The first  resize will send over the initial screen info.
+  host_->WasResized();
+  EXPECT_TRUE(process_->sink().GetUniqueMessageMatching(ViewMsg_Resize::ID));
+
+#if defined(USE_AURA)
+  screen_->SetDisplayRotation(gfx::Display::ROTATE_180);
+#endif
+  host_->InvalidateScreenInfo();
+  EXPECT_FALSE(host_->resize_ack_pending_);
+  EXPECT_TRUE(process_->sink().GetUniqueMessageMatching(ViewMsg_Resize::ID));
+
+#if defined(USE_AURA)
+  screen_->SetDisplayRotation(gfx::Display::ROTATE_90);
+#endif
+  host_->InvalidateScreenInfo();
+  EXPECT_FALSE(host_->resize_ack_pending_);
+  EXPECT_TRUE(process_->sink().GetUniqueMessageMatching(ViewMsg_Resize::ID));
+}
+
 // Test for crbug.com/25097.  If a renderer crashes between a resize and the
 // corresponding update message, we must be sure to clear the resize ack logic.
 TEST_F(RenderWidgetHostTest, ResizeThenCrash) {