Removing iPad Tab Switcher experimental flag.

ios/chrome/browser/ui/no_tabs/no_tabs_controller.mm

Index: ios/chrome/browser/ui/no_tabs/no_tabs_controller.mm
diff --git a/ios/chrome/browser/ui/no_tabs/no_tabs_controller.mm b/ios/chrome/browser/ui/no_tabs/no_tabs_controller.mm
deleted file mode 100644
index 286fdf44db291420c9b97b2017d5f9fcdd6629d4..0000000000000000000000000000000000000000
--- a/ios/chrome/browser/ui/no_tabs/no_tabs_controller.mm
+++ /dev/null
@@ -1,213 +0,0 @@
-// Copyright 2012 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 "ios/chrome/browser/ui/no_tabs/no_tabs_controller.h"
-
-#include "base/logging.h"
-#include "base/mac/objc_property_releaser.h"
-#include "base/mac/scoped_nsobject.h"
-#import "ios/chrome/browser/ui/background_generator.h"
-#import "ios/chrome/browser/ui/no_tabs/no_tabs_controller_testing.h"
-#import "ios/chrome/browser/ui/no_tabs/no_tabs_toolbar_controller.h"
-#import "ios/chrome/browser/ui/toolbar/toolbar_controller.h"
-#import "ios/chrome/browser/ui/tools_menu/tools_menu_context.h"
-#include "ios/chrome/browser/ui/ui_util.h"
-
-@interface NoTabsController (PrivateMethods)
-// Creates and installs the toolbar for the No-Tabs UI.
-- (void)installNoTabsToolbarInView:(UIView*)view;
-// Creates and installs the background view for the No-Tabs UI.
-- (void)installNoTabsBackgroundInView:(UIView*)view;
-// Returns the frame of a button's image view.
-- (CGRect)imageFrameForButton:(UIButton*)button inView:(UIView*)view;
-// Creates and installs the UIImageView that is used to animate the mode toggle
-// button.
-- (void)installNoTabsAnimationToggleImageForButton:(UIButton*)button
-                                            inView:(UIView*)view;
-@end
-
-@implementation NoTabsController {
-  // The No-Tabs toolbar.
-  base::scoped_nsobject<NoTabsToolbarController> toolbarController_;
-
-  // The parent view of the No-Tabs UI. Must outlive this object.
-  UIView* parentView_;  // weak
-
-  // The background view behind the No-Tabs UI.
-  base::scoped_nsobject<UIView> backgroundView_;
-
-  // The image view used to animate the mode toggle button when entering or
-  // leaving the No-Tabs UI.
-  base::scoped_nsobject<UIImageView> modeToggleImageView_;
-
-  // The ending frame for the mode toggle button animation.  Equal to CGRectZero
-  // if the mode toggle button is not being animated.
-  CGRect toggleImageEndFrame_;
-
-  base::mac::ObjCPropertyReleaser propertyReleaser_NoTabsController_;
-}
-
-// Designated initializer.
-- (id)initWithView:(UIView*)view {
-  self = [super init];
-  if (self) {
-    propertyReleaser_NoTabsController_.Init(self, [NoTabsController class]);
-
-    parentView_ = view;
-    [self installNoTabsToolbarInView:view];
-    [self installNoTabsBackgroundInView:view];
-  }
-  return self;
-}
-
-// Passes the call through to the toolbar controller.
-- (void)setHasModeToggleSwitch:(BOOL)hasModeToggle {
-  [toolbarController_ setHasModeToggleSwitch:hasModeToggle];
-}
-
-// Prepares the given button for animation.
-- (void)installAnimationImageForButton:(UIButton*)button
-                                inView:(UIView*)view
-                                  show:(BOOL)show {
-  UIButton* fromButton = nil;
-  UIButton* toButton = nil;
-
-  if (show) {
-    fromButton = button;
-    toButton = [toolbarController_ modeToggleButton];
-  } else {
-    fromButton = [toolbarController_ modeToggleButton];
-    toButton = button;
-  }
-
-  [self installNoTabsAnimationToggleImageForButton:fromButton inView:view];
-  toggleImageEndFrame_ = [self imageFrameForButton:toButton inView:view];
-}
-
-- (void)showToolsMenuPopup {
-  base::scoped_nsobject<ToolsMenuContext> context(
-      [[ToolsMenuContext alloc] initWithDisplayView:parentView_]);
-  [context setNoOpenedTabs:YES];
-  [toolbarController_ showToolsMenuPopupWithContext:context];
-}
-
-- (void)dismissToolsMenuPopup {
-  [toolbarController_ dismissToolsMenuPopup];
-}
-
-- (void)prepareForShowAnimation {
-  CGFloat toolbarHeight = CGRectGetHeight([[toolbarController_ view] frame]);
-
-  // The toolbar icons start offscreen and animate in.
-  [toolbarController_
-      setControlsTransform:CGAffineTransformMakeTranslation(0, -toolbarHeight)];
-}
-
-- (void)showNoTabsUI {
-  [toolbarController_ setControlsTransform:CGAffineTransformIdentity];
-
-  if (modeToggleImageView_.get()) {
-    DCHECK(!CGRectEqualToRect(toggleImageEndFrame_, CGRectZero));
-    [modeToggleImageView_ setFrame:toggleImageEndFrame_];
-    toggleImageEndFrame_ = CGRectZero;
-  }
-}
-
-- (void)showAnimationDidFinish {
-  // When the animation is finished, remove the temporary toggle switch image.
-  [modeToggleImageView_ removeFromSuperview];
-  modeToggleImageView_.reset();
-}
-
-- (void)prepareForDismissAnimation {
-  // Hide the toolbar mode toggle button so that it does not visibly animate
-  // out.
-  [[toolbarController_ modeToggleButton] setHidden:YES];
-}
-
-- (void)dismissNoTabsUI {
-  CGFloat toolbarHeight = [[toolbarController_ view] frame].size.height;
-  [toolbarController_
-      setControlsTransform:CGAffineTransformMakeTranslation(0, -toolbarHeight)];
-
-  if (modeToggleImageView_.get()) {
-    DCHECK(!CGRectEqualToRect(toggleImageEndFrame_, CGRectZero));
-    [modeToggleImageView_ setFrame:toggleImageEndFrame_];
-    toggleImageEndFrame_ = CGRectZero;
-  }
-}
-
-- (void)dismissAnimationDidFinish {
-  [modeToggleImageView_ removeFromSuperview];
-  modeToggleImageView_.reset();
-  [backgroundView_ removeFromSuperview];
-  backgroundView_.reset();
-  [[toolbarController_ view] removeFromSuperview];
-  toolbarController_.reset();
-}
-
-// Creates and installs the toolbar for the No-Tabs UI.
-- (void)installNoTabsToolbarInView:(UIView*)view {
-  toolbarController_.reset([[NoTabsToolbarController alloc] initWithNoTabs]);
-  UIView* toolbarView = [toolbarController_ view];
-  CGFloat toolbarHeight = CGRectGetHeight(toolbarView.frame);
-
-  CGRect toolbarFrame = [view bounds];
-  toolbarFrame.origin.y = StatusBarHeight();
-  toolbarFrame.size.height = toolbarHeight;
-  toolbarView.frame = toolbarFrame;
-  [view addSubview:toolbarView];
-}
-
-// Creates and installs the background view for the No-Tabs UI.
-- (void)installNoTabsBackgroundInView:(UIView*)view {
-  DCHECK(toolbarController_);
-  UIView* toolbarView = [toolbarController_ view];
-
-  backgroundView_.reset([[UIView alloc] initWithFrame:view.bounds]);
-  [backgroundView_ setAutoresizingMask:(UIViewAutoresizingFlexibleWidth |
-                                        UIViewAutoresizingFlexibleHeight)];
-  InstallBackgroundInView(backgroundView_);
-  [view insertSubview:backgroundView_ belowSubview:toolbarView];
-}
-
-// Returns the frame of a button's image view.
-- (CGRect)imageFrameForButton:(UIButton*)button inView:(UIView*)view {
-  // Convert the existing button's bounds to the coordinate system of |view| and
-  // trim away any padding present in the button.
-  CGRect rect = UIEdgeInsetsInsetRect(button.bounds, button.imageEdgeInsets);
-  return [view convertRect:rect fromView:button];
-}
-
-// Installs the UIImageView that is used to animate the mode toggle switch while
-// the No-Tabs UI is shown or hidden.  This image view is initially set up to
-// exactly cover the image of an existing button.
-- (void)installNoTabsAnimationToggleImageForButton:(UIButton*)button
-                                            inView:(UIView*)view {
-  UIImage* image = [button imageForState:UIControlStateNormal];
-  modeToggleImageView_.reset([[UIImageView alloc] initWithImage:image]);
-  [modeToggleImageView_
-      setAutoresizingMask:(UIViewAutoresizingFlexibleLeftMargin |
-                           UIViewAutoresizingFlexibleTopMargin)];
-  [modeToggleImageView_ setFrame:[self imageFrameForButton:button inView:view]];
-  [view addSubview:modeToggleImageView_];
-}
-
-@end
-
-#pragma mark - TestingAdditions
-
-@implementation NoTabsController (JustForTesting)
-- (UIButton*)modeToggleButton {
-  return [toolbarController_ modeToggleButton];
-}
-
-- (UIView*)toolbarView {
-  return [toolbarController_ view];
-}
-
-- (UIView*)backgroundView {
-  return backgroundView_.get();
-}
-@end