Do not create a workspace for a maximized window.

ash/shelf/shelf_layout_manager_unittest.cc

Index: ash/shelf/shelf_layout_manager_unittest.cc
diff --git a/ash/shelf/shelf_layout_manager_unittest.cc b/ash/shelf/shelf_layout_manager_unittest.cc
index 15bab6409c158c53fc93266915d8ca2331141432..fd308bafaf360c80a44665815feaf4edbb41693a 100644
--- a/ash/shelf/shelf_layout_manager_unittest.cc
+++ b/ash/shelf/shelf_layout_manager_unittest.cc
@@ -1363,34 +1363,27 @@ TEST_F(ShelfLayoutManagerTest, WorkAreaChangeWorkspace) {
   // Both windows are maximized. They should be of the same size.
   EXPECT_EQ(widget_one->GetNativeWindow()->bounds().ToString(),
             widget_two->GetNativeWindow()->bounds().ToString());
+  int area_when_shelf_shown =
+      widget_one->GetNativeWindow()->bounds().size().GetArea();
 
   // Now hide the shelf.
   shelf->SetAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS);
 
-  // The active maximized window will get resized to the new work area. However,
-  // the inactive window should not get resized.
-  EXPECT_NE(widget_one->GetNativeWindow()->bounds().ToString(),
-            widget_two->GetNativeWindow()->bounds().ToString());
-
-  // Activate the first window. Now, both windows should be of the same size
-  // again.
-  widget_one->Activate();
+  // Both windows should be resized according to the shelf status.
   EXPECT_EQ(widget_one->GetNativeWindow()->bounds().ToString(),
             widget_two->GetNativeWindow()->bounds().ToString());
+  // Resized to small.
+  EXPECT_LT(area_when_shelf_shown,
+            widget_one->GetNativeWindow()->bounds().size().GetArea());
 
   // Now show the shelf.
   shelf->SetAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_NEVER);
 
-  // The active maximized window will get resized to the new work area. However,
-  // the inactive window should not get resized.
-  EXPECT_NE(widget_one->GetNativeWindow()->bounds().ToString(),
-            widget_two->GetNativeWindow()->bounds().ToString());
-
-  // Activate the first window. Now, both windows should be of the same size
-  // again.
-  widget_two->Activate();
+  // Again both windows should be of the same size.
   EXPECT_EQ(widget_one->GetNativeWindow()->bounds().ToString(),
             widget_two->GetNativeWindow()->bounds().ToString());
+  EXPECT_EQ(area_when_shelf_shown,
+            widget_one->GetNativeWindow()->bounds().size().GetArea());
 }
 
 // Confirm that the shelf is dimmed only when content is maximized and