Remove windows/mac/ios specific code from //ui

ui/gfx/test/ui_cocoa_test_helper.h

-// 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.
-
-#ifndef UI_GFX_TEST_UI_COCOA_TEST_HELPER_H_
-#define UI_GFX_TEST_UI_COCOA_TEST_HELPER_H_
-
-#include <set>
-
-#import <Cocoa/Cocoa.h>
-
-#include "base/compiler_specific.h"
-#import "base/mac/scoped_nsautorelease_pool.h"
-#include "testing/platform_test.h"
-
-// Background windows normally will not display things such as focus
-// rings.  This class allows -isKeyWindow to be manipulated to test
-// such things.
-@interface CocoaTestHelperWindow : NSWindow {
- @private
-  BOOL pretendIsKeyWindow_;
-}
-
-// Init a borderless non-deferred window with a backing store.
-- (id)initWithContentRect:(NSRect)contentRect;
-
-// Init with a default frame.
-- (id)init;
-
-// Sets the responder passed in as first responder, and sets the window
-// so that it will return "YES" if asked if it key window. It does not actually
-// make the window key.
-- (void)makePretendKeyWindowAndSetFirstResponder:(NSResponder*)responder;
-
-// Clears the first responder duty for the window and returns the window
-// to being non-key.
-- (void)clearPretendKeyWindowAndFirstResponder;
-
-// Set value to return for -isKeyWindow.
-- (void)setPretendIsKeyWindow:(BOOL)isKeyWindow;
-
-- (BOOL)isKeyWindow;
-
-@end
-
-namespace ui {
-
-// A test class that all tests that depend on AppKit should inherit from.
-// Sets up paths correctly, and makes sure that any windows created in the test
-// are closed down properly by the test.
-class CocoaTest : public PlatformTest {
- public:
-  CocoaTest();
-  virtual ~CocoaTest();
-
-  // Must be called by subclasses that override TearDown. We verify that it
-  // is called in our destructor. Takes care of making sure that all windows
-  // are closed off correctly. If your tests open windows, they must be sure
-  // to close them before CocoaTest::TearDown is called. A standard way of doing
-  // this would be to create them in SetUp (after calling CocoaTest::Setup) and
-  // then close them in TearDown before calling CocoaTest::TearDown.
-  virtual void TearDown() override;
-
-  // Retuns a test window that can be used by views and other UI objects
-  // as part of their tests. Is created lazily, and will be closed correctly
-  // in CocoaTest::TearDown. Note that it is a CocoaTestHelperWindow which
-  // has special handling for being Key.
-  CocoaTestHelperWindow* test_window();
-
- protected:
-  // Allows subclasses to do initialization before calling through to the base
-  // class's initialization.
-  void Init();
-
- private:
-  // Return a set of currently open windows. Avoiding NSArray so
-  // contents aren't retained, the pointer values can only be used for
-  // comparison purposes.  Using std::set to make progress-checking
-  // convenient.
-  static std::set<NSWindow*> ApplicationWindows();
-
-  // Return a set of windows which are in |ApplicationWindows()| but
-  // not |initial_windows_|.
-  std::set<NSWindow*> WindowsLeft();
-
-  bool called_tear_down_;
-  base::mac::ScopedNSAutoreleasePool pool_;
-
-  // Windows which existed at the beginning of the test.
-  std::set<NSWindow*> initial_windows_;
-
-  // Strong. Lazily created. This isn't wrapped in a scoped_nsobject because
-  // we want to call [close] to destroy it rather than calling [release]. We
-  // want to verify that [close] is actually removing our window and that it's
-  // not hanging around because releaseWhenClosed was set to "no" on the window.
-  // It isn't wrapped in a different wrapper class to close it because we
-  // need to close it at a very specific time; just before we enter our clean
-  // up loop in TearDown.
-  CocoaTestHelperWindow* test_window_;
-};
-
-}  // namespace ui
-
-// A macro defining a standard set of tests to run on a view. Since we can't
-// inherit tests, this macro saves us a lot of duplicate code. Handles simply
-// displaying the view to make sure it won't crash, as well as removing it
-// from a window. All tests that work with NSView subclasses and/or
-// NSViewController subclasses should use it.
-#define TEST_VIEW(test_fixture, test_view)                      \
-  TEST_F(test_fixture, test_fixture##_TestViewMacroAddRemove) { \
-    base::scoped_nsobject<NSView> view([test_view retain]);     \
-    EXPECT_EQ([test_window() contentView], [view superview]);   \
-    [view removeFromSuperview];                                 \
-    EXPECT_FALSE([view superview]);                             \
-  }                                                             \
-  TEST_F(test_fixture, test_fixture##_TestViewMacroDisplay) {   \
-    [test_view display];                                        \
-  }
-
-// A macro which determines the proper float epsilon for a CGFloat.
-#if CGFLOAT_IS_DOUBLE
-#define CGFLOAT_EPSILON DBL_EPSILON
-#else
-#define CGFLOAT_EPSILON FLT_EPSILON
-#endif
-
-// A macro which which determines if two CGFloats are equal taking a
-// proper epsilon into consideration.
-#define CGFLOAT_EQ(expected, actual) \
-    (actual >= (expected - CGFLOAT_EPSILON) && \
-     actual <= (expected + CGFLOAT_EPSILON))
-
-// A test support macro which ascertains if two CGFloats are equal.
-#define EXPECT_CGFLOAT_EQ(expected, actual) \
-    EXPECT_TRUE(CGFLOAT_EQ(expected, actual)) << \
-                expected << " != " << actual
-
-// A test support macro which compares two NSRects for equality taking
-// the float epsilon into consideration.
-#define EXPECT_NSRECT_EQ(expected, actual) \
-    EXPECT_TRUE(CGFLOAT_EQ(expected.origin.x, actual.origin.x) && \
-                CGFLOAT_EQ(expected.origin.y, actual.origin.y) && \
-                CGFLOAT_EQ(expected.size.width, actual.size.width) && \
-                CGFLOAT_EQ(expected.size.height, actual.size.height)) << \
-                "Rects do not match: " << \
-                [NSStringFromRect(expected) UTF8String] << \
-                " != " << [NSStringFromRect(actual) UTF8String]
-
-#endif  // UI_GFX_TEST_UI_COCOA_TEST_HELPER_H_