Mac App Launcher is positioned on center of dock in certain cases.

chrome/browser/ui/app_list/app_list_service_mac_unittest.mm

Index: chrome/browser/ui/app_list/app_list_service_mac_unittest.mm
diff --git a/chrome/browser/ui/app_list/app_list_service_mac_unittest.mm b/chrome/browser/ui/app_list/app_list_service_mac_unittest.mm
index 6799b786452a554136d1e831c7698fb07bdeca46..accbea5dc20cd59e950e0afb9a9f4bca438c5470 100644
--- a/chrome/browser/ui/app_list/app_list_service_mac_unittest.mm
+++ b/chrome/browser/ui/app_list/app_list_service_mac_unittest.mm
@@ -131,25 +131,32 @@ TEST_F(AppListServiceMacUnitTest, FindAnchorPointNoCursor) {
   NSPoint target_origin;
   NSPoint start_origin;
 
-  // Bottom dock. Expect the app list to be in the bottom-left corner, above the
-  // dock.
+  // Bottom dock. Expect the app list to be centered on the dock.
   PlaceDock(DOCK_LOCATION_BOTTOM, false);
   DoFindAnchorPoint(&target_origin, &start_origin);
-  EXPECT_TRUE(NSEqualPoints(NSMakePoint(0, kDockSize), target_origin));
-  EXPECT_TRUE(NSEqualPoints(target_origin, start_origin));
+  EXPECT_TRUE(
+      NSEqualPoints(NSMakePoint(kScreenWidth / 2 - kWindowWidth / 2, kDockSize),
+                    target_origin));
+  EXPECT_TRUE(NSEqualPoints(OffsetPoint(target_origin, 0, -kAnimationOffset),
+                            start_origin));
 
-  // Left dock. Expect the app list to be in the bottom-left corner, beside the
-  // dock.
+  // Left dock. Expect the app list to be centered on the dock.
   PlaceDock(DOCK_LOCATION_LEFT, false);
   DoFindAnchorPoint(&target_origin, &start_origin);
-  EXPECT_TRUE(NSEqualPoints(NSMakePoint(kDockSize, 0), target_origin));
-  EXPECT_TRUE(NSEqualPoints(target_origin, start_origin));
+  EXPECT_TRUE(NSEqualPoints(
+      NSMakePoint(kDockSize, kScreenHeight / 2 - kWindowHeight / 2),
+      target_origin));
+  EXPECT_TRUE(NSEqualPoints(OffsetPoint(target_origin, -kAnimationOffset, 0),
+                            start_origin));
 
-  // Right dock. Expect the app list to be in the bottom-left corner.
+  // Right dock. Expect the app list to be centered on the dock.
   PlaceDock(DOCK_LOCATION_RIGHT, false);
   DoFindAnchorPoint(&target_origin, &start_origin);
-  EXPECT_TRUE(NSEqualPoints(NSMakePoint(0, 0), target_origin));
-  EXPECT_TRUE(NSEqualPoints(target_origin, start_origin));
+  EXPECT_TRUE(NSEqualPoints(NSMakePoint(kScreenWidth - kDockSize - kWindowWidth,
+                                        kScreenHeight / 2 - kWindowHeight / 2),
+                            target_origin));
+  EXPECT_TRUE(NSEqualPoints(OffsetPoint(target_origin, kAnimationOffset, 0),
+                            start_origin));
 }
 
 // Tests positioning the app list when there is no dock on the display.
@@ -167,43 +174,37 @@ TEST_F(AppListServiceMacUnitTest, FindAnchorPointNoDock) {
 
 // Tests positioning the app list when the mouse is away from the dock.
 TEST_F(AppListServiceMacUnitTest, FindAnchorPointMouseOffDock) {
-  // On Mac, this is currently no different from having the mouse on the dock.
   SetCursorVisible(true);
   NSPoint target_origin;
   NSPoint start_origin;
 
-  // Bottom dock. Expect the app list to be at the bottom centered on the mouse
-  // X coordinate.
+  // Bottom dock. Expect the app list to be centered on the dock.
   PlaceDock(DOCK_LOCATION_BOTTOM, false);
   PlaceCursor(kWindowAwayFromEdge, kScreenHeight - kCursorAwayFromDock);
   DoFindAnchorPoint(&target_origin, &start_origin);
-  EXPECT_TRUE(NSEqualPoints(
-      NSMakePoint(kWindowAwayFromEdge - kWindowWidth / 2, kDockSize),
-      target_origin));
+  EXPECT_TRUE(
+      NSEqualPoints(NSMakePoint(kScreenWidth / 2 - kWindowWidth / 2, kDockSize),
+                    target_origin));
   EXPECT_TRUE(NSEqualPoints(OffsetPoint(target_origin, 0, -kAnimationOffset),
                             start_origin));
 
-  // Left dock. Expect the app list to be at the left centered on the mouse Y
-  // coordinate.
+  // Left dock. Expect the app list to be centered on the dock.
   PlaceDock(DOCK_LOCATION_LEFT, false);
   PlaceCursor(kCursorAwayFromDock, kWindowAwayFromEdge);
   DoFindAnchorPoint(&target_origin, &start_origin);
   EXPECT_TRUE(NSEqualPoints(
-      NSMakePoint(kDockSize,
-                  kScreenHeight - kWindowAwayFromEdge - kWindowHeight / 2),
+      NSMakePoint(kDockSize, kScreenHeight / 2 - kWindowHeight / 2),
       target_origin));
   EXPECT_TRUE(NSEqualPoints(OffsetPoint(target_origin, -kAnimationOffset, 0),
                             start_origin));
 
-  // Right dock. Expect the app list to be at the right centered on the mouse Y
-  // coordinate.
+  // Right dock. Expect the app list to be centered on the dock.
   PlaceDock(DOCK_LOCATION_RIGHT, false);
   PlaceCursor(kScreenWidth - kCursorAwayFromDock, kWindowAwayFromEdge);
   DoFindAnchorPoint(&target_origin, &start_origin);
-  EXPECT_TRUE(NSEqualPoints(
-      NSMakePoint(kScreenWidth - kDockSize - kWindowWidth,
-                  kScreenHeight - kWindowAwayFromEdge - kWindowHeight / 2),
-      target_origin));
+  EXPECT_TRUE(NSEqualPoints(NSMakePoint(kScreenWidth - kDockSize - kWindowWidth,
+                                        kScreenHeight / 2 - kWindowHeight / 2),
+                            target_origin));
   EXPECT_TRUE(NSEqualPoints(OffsetPoint(target_origin, kAnimationOffset, 0),
                             start_origin));
 }