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

ui/gfx/test/ui_cocoa_test_helper.mm

Index: ui/gfx/test/ui_cocoa_test_helper.mm
diff --git a/ui/gfx/test/ui_cocoa_test_helper.mm b/ui/gfx/test/ui_cocoa_test_helper.mm
deleted file mode 100644
index 63e32c3cf09092d7e2b5e1331a6c381df64fbe18..0000000000000000000000000000000000000000
--- a/ui/gfx/test/ui_cocoa_test_helper.mm
+++ /dev/null
@@ -1,221 +0,0 @@
-// 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.
-
-#import "ui/gfx/test/ui_cocoa_test_helper.h"
-
-#include "base/debug/debugger.h"
-#include "base/logging.h"
-#include "base/stl_util.h"
-#include "base/test/mock_chrome_application_mac.h"
-#include "base/test/test_timeouts.h"
-
-namespace {
-
-// Some AppKit function leak intentionally, e.g. for caching purposes.
-// Force those leaks here, so there can be a unique calling path, allowing
-// to flag intentional leaks without having to suppress all calls to
-// potentially leaky functions.
-void NOINLINE ForceSystemLeaks() {
-  // If a test suite hasn't already initialized NSApp, register the mock one
-  // now.
-  if (!NSApp)
-    mock_cr_app::RegisterMockCrApp();
-
-  // First NSCursor push always leaks.
-  [[NSCursor openHandCursor] push];
-  [NSCursor pop];
-}
-
-}  // namespace.
-
-@implementation CocoaTestHelperWindow
-
-- (id)initWithContentRect:(NSRect)contentRect {
-  return [self initWithContentRect:contentRect
-                         styleMask:NSBorderlessWindowMask
-                           backing:NSBackingStoreBuffered
-                             defer:NO];
-}
-
-- (id)init {
-  return [self initWithContentRect:NSMakeRect(0, 0, 800, 600)];
-}
-
-- (void)dealloc {
-  // Just a good place to put breakpoints when having problems with
-  // unittests and CocoaTestHelperWindow.
-  [super dealloc];
-}
-
-- (void)makePretendKeyWindowAndSetFirstResponder:(NSResponder*)responder {
-  EXPECT_TRUE([self makeFirstResponder:responder]);
-  [self setPretendIsKeyWindow:YES];
-}
-
-- (void)clearPretendKeyWindowAndFirstResponder {
-  [self setPretendIsKeyWindow:NO];
-  EXPECT_TRUE([self makeFirstResponder:NSApp]);
-}
-
-- (void)setPretendIsKeyWindow:(BOOL)flag {
-  pretendIsKeyWindow_ = flag;
-}
-
-- (BOOL)isKeyWindow {
-  return pretendIsKeyWindow_;
-}
-
-@end
-
-namespace ui {
-
-CocoaTest::CocoaTest() : called_tear_down_(false), test_window_(nil) {
-  ForceSystemLeaks();
-  Init();
-}
-
-CocoaTest::~CocoaTest() {
-  // Must call CocoaTest's teardown from your overrides.
-  DCHECK(called_tear_down_);
-}
-
-void CocoaTest::Init() {
-  // Set the duration of AppKit-evaluated animations (such as frame changes)
-  // to zero for testing purposes. That way they take effect immediately.
-  [[NSAnimationContext currentContext] setDuration:0.0];
-
-  // The above does not affect window-resize time, such as for an
-  // attached sheet dropping in.  Set that duration for the current
-  // process (this is not persisted).  Empirically, the value of 0.0
-  // is ignored.
-  NSDictionary* dict =
-      [NSDictionary dictionaryWithObject:@"0.01" forKey:@"NSWindowResizeTime"];
-  [[NSUserDefaults standardUserDefaults] registerDefaults:dict];
-
-  // Collect the list of windows that were open when the test started so
-  // that we don't wait for them to close in TearDown. Has to be done
-  // after BootstrapCocoa is called.
-  initial_windows_ = ApplicationWindows();
-}
-
-void CocoaTest::TearDown() {
-  called_tear_down_ = true;
-  // Call close on our test_window to clean it up if one was opened.
-  [test_window_ clearPretendKeyWindowAndFirstResponder];
-  [test_window_ close];
-  test_window_ = nil;
-
-  // Recycle the pool to clean up any stuff that was put on the
-  // autorelease pool due to window or windowcontroller closures.
-  pool_.Recycle();
-
-  // Some controls (NSTextFields, NSComboboxes etc) use
-  // performSelector:withDelay: to clean up drag handlers and other
-  // things (Radar 5851458 "Closing a window with a NSTextView in it
-  // should get rid of it immediately").  The event loop must be spun
-  // to get everything cleaned up correctly.  It normally only takes
-  // one to two spins through the event loop to see a change.
-
-  // NOTE(shess): Under valgrind, -nextEventMatchingMask:* in one test
-  // needed to run twice, once taking .2 seconds, the next time .6
-  // seconds.  The loop exit condition attempts to be scalable.
-
-  // Get the set of windows which weren't present when the test
-  // started.
-  std::set<NSWindow*> windows_left(WindowsLeft());
-
-  while (!windows_left.empty()) {
-    // Cover delayed actions by spinning the loop at least once after
-    // this timeout.
-    const NSTimeInterval kCloseTimeoutSeconds =
-        TestTimeouts::action_timeout().InSecondsF();
-
-    // Cover chains of delayed actions by spinning the loop at least
-    // this many times.
-    const int kCloseSpins = 3;
-
-    // Track the set of remaining windows so that everything can be
-    // reset if progress is made.
-    std::set<NSWindow*> still_left = windows_left;
-
-    NSDate* start_date = [NSDate date];
-    bool one_more_time = true;
-    int spins = 0;
-    while (still_left.size() == windows_left.size() &&
-           (spins < kCloseSpins || one_more_time)) {
-      // Check the timeout before pumping events, so that we'll spin
-      // the loop once after the timeout.
-      one_more_time =
-          ([start_date timeIntervalSinceNow] > -kCloseTimeoutSeconds);
-
-      // Autorelease anything thrown up by the event loop.
-      {
-        base::mac::ScopedNSAutoreleasePool pool;
-        ++spins;
-        NSEvent *next_event = [NSApp nextEventMatchingMask:NSAnyEventMask
-                                                 untilDate:nil
-                                                    inMode:NSDefaultRunLoopMode
-                                                   dequeue:YES];
-        [NSApp sendEvent:next_event];
-        [NSApp updateWindows];
-      }
-
-      // Refresh the outstanding windows.
-      still_left = WindowsLeft();
-    }
-
-    // If no progress is being made, log a failure and continue.
-    if (still_left.size() == windows_left.size()) {
-      // NOTE(shess): Failing this expectation means that the test
-      // opened windows which have not been fully released.  Either
-      // there is a leak, or perhaps one of |kCloseTimeoutSeconds| or
-      // |kCloseSpins| needs adjustment.
-      EXPECT_EQ(0U, windows_left.size());
-      for (std::set<NSWindow*>::iterator iter = windows_left.begin();
-           iter != windows_left.end(); ++iter) {
-        const char* desc = [[*iter description] UTF8String];
-        LOG(WARNING) << "Didn't close window " << desc;
-      }
-      break;
-    }
-
-    windows_left = still_left;
-  }
-  PlatformTest::TearDown();
-}
-
-std::set<NSWindow*> CocoaTest::ApplicationWindows() {
-  // This must NOT retain the windows it is returning.
-  std::set<NSWindow*> windows;
-
-  // Must create a pool here because [NSApp windows] has created an array
-  // with retains on all the windows in it.
-  base::mac::ScopedNSAutoreleasePool pool;
-  NSArray *appWindows = [NSApp windows];
-  for (NSWindow *window in appWindows) {
-    windows.insert(window);
-  }
-  return windows;
-}
-
-std::set<NSWindow*> CocoaTest::WindowsLeft() {
-  const std::set<NSWindow*> windows(ApplicationWindows());
-  std::set<NSWindow*> windows_left =
-      base::STLSetDifference<std::set<NSWindow*> >(windows, initial_windows_);
-  return windows_left;
-}
-
-CocoaTestHelperWindow* CocoaTest::test_window() {
-  if (!test_window_) {
-    test_window_ = [[CocoaTestHelperWindow alloc] init];
-    if (base::debug::BeingDebugged()) {
-      [test_window_ orderFront:nil];
-    } else {
-      [test_window_ orderBack:nil];
-    }
-  }
-  return test_window_;
-}
-
-}  // namespace ui