Revert of Use platform's device scale factor for cursor

ash/wm/ash_native_cursor_manager_unittest.cc

Index: ash/wm/ash_native_cursor_manager_unittest.cc
diff --git a/ash/wm/ash_native_cursor_manager_unittest.cc b/ash/wm/ash_native_cursor_manager_unittest.cc
index 5713fe3f02be0e29cc034e6aeb9ed754629daa0f..812601fe87eb3523d401924d3957db3d89c5f694 100644
--- a/ash/wm/ash_native_cursor_manager_unittest.cc
+++ b/ash/wm/ash_native_cursor_manager_unittest.cc
@@ -4,8 +4,6 @@
 
 #include "ash/wm/ash_native_cursor_manager.h"
 
-#include "ash/display/display_info.h"
-#include "ash/display/display_manager.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/test/cursor_manager_test_api.h"
@@ -56,16 +54,18 @@
 TEST_F(AshNativeCursorManagerTest, LockCursor) {
   ::wm::CursorManager* cursor_manager = Shell::GetInstance()->cursor_manager();
   CursorManagerTestApi test_api(cursor_manager);
-
+  gfx::Display display(0);
 #if defined(OS_WIN)
   ui::CursorLoaderWin::SetCursorResourceModule(L"ash_unittests.exe");
 #endif
   cursor_manager->SetCursor(ui::kCursorCopy);
   EXPECT_EQ(ui::kCursorCopy, test_api.GetCurrentCursor().native_type());
-  UpdateDisplay("800x800*2/r");
-  EXPECT_EQ(2.0f, test_api.GetCurrentCursor().device_scale_factor());
+  display.set_device_scale_factor(2.0f);
+  display.set_rotation(gfx::Display::ROTATE_90);
+  cursor_manager->SetDisplay(display);
+  EXPECT_EQ(2.0f, test_api.GetDisplay().device_scale_factor());
   EXPECT_EQ(ui::CURSOR_SET_NORMAL, test_api.GetCurrentCursorSet());
-  EXPECT_EQ(gfx::Display::ROTATE_90, test_api.GetCurrentCursorRotation());
+  EXPECT_EQ(gfx::Display::ROTATE_90, test_api.GetDisplay().rotation());
   EXPECT_TRUE(test_api.GetCurrentCursor().platform());
 
   cursor_manager->LockCursor();
@@ -85,16 +85,18 @@
   EXPECT_EQ(ui::kCursorCopy, test_api.GetCurrentCursor().native_type());
 
   // Device scale factor and rotation do change even while cursor is locked.
-  UpdateDisplay("800x800/u");
-  EXPECT_EQ(1.0f, test_api.GetCurrentCursor().device_scale_factor());
-  EXPECT_EQ(gfx::Display::ROTATE_180, test_api.GetCurrentCursorRotation());
+  display.set_device_scale_factor(1.0f);
+  display.set_rotation(gfx::Display::ROTATE_180);
+  cursor_manager->SetDisplay(display);
+  EXPECT_EQ(1.0f, test_api.GetDisplay().device_scale_factor());
+  EXPECT_EQ(gfx::Display::ROTATE_180, test_api.GetDisplay().rotation());
 
   cursor_manager->UnlockCursor();
   EXPECT_FALSE(cursor_manager->IsCursorLocked());
 
   // Cursor type changes to the one specified while cursor is locked.
   EXPECT_EQ(ui::kCursorPointer, test_api.GetCurrentCursor().native_type());
-  EXPECT_EQ(1.0f, test_api.GetCurrentCursor().device_scale_factor());
+  EXPECT_EQ(1.0f, test_api.GetDisplay().device_scale_factor());
   EXPECT_TRUE(test_api.GetCurrentCursor().platform());
 }
 
@@ -131,47 +133,18 @@
 TEST_F(AshNativeCursorManagerTest, SetDeviceScaleFactorAndRotation) {
   ::wm::CursorManager* cursor_manager = Shell::GetInstance()->cursor_manager();
   CursorManagerTestApi test_api(cursor_manager);
-  UpdateDisplay("800x100*2");
-  EXPECT_EQ(2.0f, test_api.GetCurrentCursor().device_scale_factor());
-  EXPECT_EQ(gfx::Display::ROTATE_0, test_api.GetCurrentCursorRotation());
 
-  UpdateDisplay("800x100/l");
-  EXPECT_EQ(1.0f, test_api.GetCurrentCursor().device_scale_factor());
-  EXPECT_EQ(gfx::Display::ROTATE_270, test_api.GetCurrentCursorRotation());
-}
+  gfx::Display display(0);
+  display.set_device_scale_factor(2.0f);
+  cursor_manager->SetDisplay(display);
+  EXPECT_EQ(2.0f, test_api.GetDisplay().device_scale_factor());
+  EXPECT_EQ(gfx::Display::ROTATE_0, test_api.GetDisplay().rotation());
 
-TEST_F(AshNativeCursorManagerTest, UIScaleShouldNotChangeCursor) {
-  int64 display_id = Shell::GetScreen()->GetPrimaryDisplay().id();
-  gfx::Display::SetInternalDisplayId(display_id);
-
-  ::wm::CursorManager* cursor_manager = Shell::GetInstance()->cursor_manager();
-  CursorManagerTestApi test_api(cursor_manager);
-  DisplayManager* display_manager = Shell::GetInstance()->display_manager();
-
-  DisplayInfo::SetAllowUpgradeToHighDPI(false);
-  display_manager->SetDisplayUIScale(display_id, 0.5f);
-  EXPECT_EQ(1.0f,
-            Shell::GetScreen()->GetPrimaryDisplay().device_scale_factor());
-  EXPECT_EQ(1.0f, test_api.GetCurrentCursor().device_scale_factor());
-
-  display_manager->SetDisplayUIScale(display_id, 1.0f);
-
-  DisplayInfo::SetAllowUpgradeToHighDPI(true);
-  // 1x display should keep using 1x cursor even if the DSF is upgraded to 2x.
-  display_manager->SetDisplayUIScale(display_id, 0.5f);
-  EXPECT_EQ(2.0f,
-            Shell::GetScreen()->GetPrimaryDisplay().device_scale_factor());
-  EXPECT_EQ(1.0f, test_api.GetCurrentCursor().device_scale_factor());
-
-  // 2x display should keep using 2x cursor regardless of the UI scale.
-  UpdateDisplay("800x800*2");
-  EXPECT_EQ(2.0f,
-            Shell::GetScreen()->GetPrimaryDisplay().device_scale_factor());
-  EXPECT_EQ(2.0f, test_api.GetCurrentCursor().device_scale_factor());
-  display_manager->SetDisplayUIScale(display_id, 2.0f);
-  EXPECT_EQ(1.0f,
-            Shell::GetScreen()->GetPrimaryDisplay().device_scale_factor());
-  EXPECT_EQ(2.0f, test_api.GetCurrentCursor().device_scale_factor());
+  display.set_device_scale_factor(1.0f);
+  display.set_rotation(gfx::Display::ROTATE_270);
+  cursor_manager->SetDisplay(display);
+  EXPECT_EQ(1.0f, test_api.GetDisplay().device_scale_factor());
+  EXPECT_EQ(gfx::Display::ROTATE_270, test_api.GetDisplay().rotation());
 }
 
 TEST_F(AshNativeCursorManagerTest, DisabledQueryMouseLocation) {