Do not automatically maximize the window if the maximized bounds can be controlled by the client.

ash/wm/maximize_mode/maximize_mode_window_manager_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/common/wm/maximize_mode/maximize_mode_window_manager.h"
 
 #include <string>
 
 #include "ash/aura/wm_window_aura.h"
 #include "ash/common/wm/maximize_mode/maximize_mode_controller.h"
@@ skipping 1565 matching lines @@
   wm::GetWindowState(window.get())->OnWMEvent(&dock_event);
   EXPECT_TRUE(wm::GetWindowState(window.get())->IsDocked());
   EXPECT_FALSE(wm::GetWindowState(window.get())->IsMaximized());
 
   MaximizeModeWindowManager* manager = CreateMaximizeModeWindowManager();
   EXPECT_TRUE(wm::GetWindowState(window.get())->IsDocked());
   EXPECT_FALSE(wm::GetWindowState(window.get())->IsMaximized());
   EXPECT_EQ(0, manager->GetNumberOfManagedWindows());
 }
 
+// Tests that windows that can control maximized bounds are not maximized
+// and not tracked.
+TEST_F(MaximizeModeWindowManagerTest, DontMaximizeClientManagedWindows) {
+  gfx::Rect rect(10, 10, 200, 50);
+  std::unique_ptr<aura::Window> window(
+      CreateWindow(ui::wm::WINDOW_TYPE_NORMAL, rect));
+
+  wm::GetWindowState(window.get())->set_allow_set_bounds_in_maximized(true);
+
+  MaximizeModeWindowManager* manager = CreateMaximizeModeWindowManager();
+  EXPECT_FALSE(wm::GetWindowState(window.get())->IsMaximized());
+  EXPECT_EQ(0, manager->GetNumberOfManagedWindows());
+}
+
 namespace {
 
 class TestObserver : public wm::WindowStateObserver {
  public:
   TestObserver(){};
   ~TestObserver() override{};
 
   // wm::WindowStateObserver:
   void OnPreWindowStateTypeChange(wm::WindowState* window_state,
                                   wm::WindowStateType old_type) override {
@@ skipping 83 matching lines @@
   EXPECT_EQ(1, observer.GetPostCountAndReset());
   EXPECT_EQ(wm::WINDOW_STATE_TYPE_MINIMIZED,
             observer.GetLastOldStateAndReset());
 
   window_state->RemoveObserver(&observer);
 
   DestroyMaximizeModeWindowManager();
 }
 
 }  // namespace ash