Fix Jumplist favicons to have high resolution in HDPI Windows displays

ui/display/win/screen_win_unittest.cc

Index: ui/display/win/screen_win_unittest.cc
diff --git a/ui/display/win/screen_win_unittest.cc b/ui/display/win/screen_win_unittest.cc
index c59dd60d49019f166381f15e47fac749526d8929..db76be3ed6c7aaed8604b9ef79d967c31219f325 100644
--- a/ui/display/win/screen_win_unittest.cc
+++ b/ui/display/win/screen_win_unittest.cc
@@ -344,6 +344,10 @@ TEST_F(ScreenWinTestSingleDisplay1x, GetScaleFactorForHWND) {
   EXPECT_EQ(1.0, ScreenWin::GetScaleFactorForHWND(GetFakeHwnd()));
 }
 
+TEST_F(ScreenWinTestSingleDisplay1x, GetLargestDeviceScaleFactor) {
+  EXPECT_EQ(1.0, ScreenWin::GetLargestDeviceScaleFactor());
+}
+
 TEST_F(ScreenWinTestSingleDisplay1x, GetDisplays) {
   std::vector<Display> displays = GetScreen()->GetAllDisplays();
   ASSERT_EQ(1u, displays.size());
@@ -511,6 +515,10 @@ TEST_F(ScreenWinTestSingleDisplay1_25x, GetScaleFactorForHWND) {
   EXPECT_EQ(1.25, ScreenWin::GetScaleFactorForHWND(GetFakeHwnd()));
 }
 
+TEST_F(ScreenWinTestSingleDisplay1_25x, GetLargestDeviceScaleFactor) {
+  EXPECT_EQ(1.25, ScreenWin::GetLargestDeviceScaleFactor());
+}
+
 TEST_F(ScreenWinTestSingleDisplay1_25x, GetDisplays) {
   std::vector<Display> displays = GetScreen()->GetAllDisplays();
   ASSERT_EQ(1u, displays.size());
@@ -667,6 +675,10 @@ TEST_F(ScreenWinTestSingleDisplay1_5x, GetScaleFactorForHWND) {
   EXPECT_EQ(1.5, ScreenWin::GetScaleFactorForHWND(GetFakeHwnd()));
 }
 
+TEST_F(ScreenWinTestSingleDisplay1_5x, GetLargestDeviceScaleFactor) {
+  EXPECT_EQ(1.5, ScreenWin::GetLargestDeviceScaleFactor());
+}
+
 TEST_F(ScreenWinTestSingleDisplay1_5x, GetDisplays) {
   std::vector<Display> displays = GetScreen()->GetAllDisplays();
   ASSERT_EQ(1u, displays.size());
@@ -823,6 +835,10 @@ TEST_F(ScreenWinTestSingleDisplay2x, GetScaleFactorForHWND) {
   EXPECT_EQ(2.0, ScreenWin::GetScaleFactorForHWND(GetFakeHwnd()));
 }
 
+TEST_F(ScreenWinTestSingleDisplay2x, GetLargestDeviceScaleFactor) {
+  EXPECT_EQ(2.0, ScreenWin::GetLargestDeviceScaleFactor());
+}
+
 TEST_F(ScreenWinTestSingleDisplay2x, GetDisplays) {
   std::vector<Display> displays = GetScreen()->GetAllDisplays();
   ASSERT_EQ(1u, displays.size());
@@ -1052,6 +1068,10 @@ TEST_F(ScreenWinTestTwoDisplays1x, GetScaleFactorForHWND) {
   EXPECT_EQ(1.0, ScreenWin::GetScaleFactorForHWND(GetRightFakeHwnd()));
 }
 
+TEST_F(ScreenWinTestTwoDisplays1x, GetLargestDeviceScaleFactor) {
+  EXPECT_EQ(1.0, ScreenWin::GetLargestDeviceScaleFactor());
+}
+
 TEST_F(ScreenWinTestTwoDisplays1x, GetDisplays) {
   std::vector<Display> displays = GetScreen()->GetAllDisplays();
   ASSERT_EQ(2u, displays.size());
@@ -1329,6 +1349,10 @@ TEST_F(ScreenWinTestTwoDisplays2x, GetScaleFactorForHWND) {
   EXPECT_EQ(2.0, ScreenWin::GetScaleFactorForHWND(GetRightFakeHwnd()));
 }
 
+TEST_F(ScreenWinTestTwoDisplays2x, GetLargestDeviceScaleFactor) {
+  EXPECT_EQ(2.0, ScreenWin::GetLargestDeviceScaleFactor());
+}
+
 TEST_F(ScreenWinTestTwoDisplays2x, GetDisplays) {
   std::vector<Display> displays = GetScreen()->GetAllDisplays();
   ASSERT_EQ(2u, displays.size());
@@ -1708,6 +1732,10 @@ TEST_F(ScreenWinTestManyDisplays1x, GetScaleFactorForHWND) {
   }
 }
 
+TEST_F(ScreenWinTestManyDisplays1x, GetLargestDeviceScaleFactor) {
+  EXPECT_EQ(1.0, ScreenWin::GetLargestDeviceScaleFactor());
+}
+
 TEST_F(ScreenWinTestManyDisplays1x, GetDisplays) {
   std::vector<Display> displays = GetScreen()->GetAllDisplays();
   ASSERT_EQ(5u, displays.size());
@@ -2146,6 +2174,10 @@ TEST_F(ScreenWinTestManyDisplays2x, GetScaleFactorForHWND) {
   }
 }
 
+TEST_F(ScreenWinTestManyDisplays2x, GetLargestDeviceScaleFactor) {
+  EXPECT_EQ(2.0, ScreenWin::GetLargestDeviceScaleFactor());
+}
+
 TEST_F(ScreenWinTestManyDisplays2x, GetDisplays) {
   std::vector<Display> displays = GetScreen()->GetAllDisplays();
   ASSERT_EQ(5u, displays.size());
@@ -2454,6 +2486,10 @@ TEST_F(ScreenWinTestTwoDisplays1x2x, GetScaleFactorForHWND) {
   EXPECT_EQ(2.0, ScreenWin::GetScaleFactorForHWND(GetRightFakeHwnd()));
 }
 
+TEST_F(ScreenWinTestTwoDisplays1x2x, GetLargestDeviceScaleFactor) {
+  EXPECT_EQ(2.0, ScreenWin::GetLargestDeviceScaleFactor());
+}
+
 TEST_F(ScreenWinTestTwoDisplays1x2x, GetDisplays) {
   std::vector<Display> displays = GetScreen()->GetAllDisplays();
   ASSERT_EQ(2u, displays.size());
@@ -2739,6 +2775,10 @@ TEST_F(ScreenWinTestTwoDisplays1_5x1x, GetScaleFactorForHWND) {
   EXPECT_EQ(1.0, ScreenWin::GetScaleFactorForHWND(GetRightFakeHwnd()));
 }
 
+TEST_F(ScreenWinTestTwoDisplays1_5x1x, GetLargestDeviceScaleFactor) {
+  EXPECT_EQ(1.5, ScreenWin::GetLargestDeviceScaleFactor());
+}
+
 TEST_F(ScreenWinTestTwoDisplays1_5x1x, GetDisplays) {
   std::vector<Display> displays = GetScreen()->GetAllDisplays();
   ASSERT_EQ(2u, displays.size());
@@ -3020,6 +3060,10 @@ TEST_F(ScreenWinTestTwoDisplays2x1x, GetScaleFactorForHWND) {
   EXPECT_EQ(1.0, ScreenWin::GetScaleFactorForHWND(GetRightFakeHwnd()));
 }
 
+TEST_F(ScreenWinTestTwoDisplays2x1x, GetLargestDeviceScaleFactor) {
+  EXPECT_EQ(2.0, ScreenWin::GetLargestDeviceScaleFactor());
+}
+
 TEST_F(ScreenWinTestTwoDisplays2x1x, GetDisplays) {
   std::vector<Display> displays = GetScreen()->GetAllDisplays();
   ASSERT_EQ(2u, displays.size());
@@ -3306,6 +3350,10 @@ TEST_F(ScreenWinTestTwoDisplays2x1xVirtualized, GetScaleFactorForHWND) {
   EXPECT_EQ(2.0, ScreenWin::GetScaleFactorForHWND(GetRightFakeHwnd()));
 }
 
+TEST_F(ScreenWinTestTwoDisplays2x1xVirtualized, GetLargestDeviceScaleFactor) {
+  EXPECT_EQ(2.0, ScreenWin::GetLargestDeviceScaleFactor());
+}
+
 TEST_F(ScreenWinTestTwoDisplays2x1xVirtualized, GetDisplays) {
   std::vector<Display> displays = GetScreen()->GetAllDisplays();
   ASSERT_EQ(2u, displays.size());