Remove crw_generic_content_view.h as unused.

Previously this class was used for SadTab presentation.

Bug: 616244
Change-Id: I8f8fcf722e79a723dd279c0be5f4348e3876069e
Reviewed-on: https://chromium-review.googlesource.com/c/1467983Reviewed-by: Kurt Horimoto <kkhorimoto@chromium.org>
Commit-Queue: Eugene But <eugenebut@chromium.org>
Cr-Commit-Position: refs/heads/master@{#632360}

ios/chrome/browser/tabs/tab.mm

@@ -83,7 +83,6 @@
 #include "ios/web/public/web_client.h"
 #import "ios/web/public/web_state/js/crw_js_injection_receiver.h"
 #import "ios/web/public/web_state/navigation_context.h"
-#import "ios/web/public/web_state/ui/crw_generic_content_view.h"
 #import "ios/web/public/web_state/web_state.h"
 #import "ios/web/public/web_state/web_state_observer_bridge.h"
 #include "ios/web/public/web_thread.h"

ios/chrome/browser/web/sad_tab_tab_helper_unittest.mm

@@ -13,7 +13,6 @@
 #import "ios/web/public/test/fakes/fake_navigation_context.h"
 #import "ios/web/public/test/fakes/test_navigation_manager.h"
 #import "ios/web/public/test/fakes/test_web_state.h"
-#import "ios/web/public/web_state/ui/crw_generic_content_view.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
 #import "third_party/ocmock/OCMock/OCMock.h"

ios/web/public/BUILD.gn

@@ -71,7 +71,6 @@ source_set("public") {
     "web_state/session_certificate_policy_cache.h",
     "web_state/ui/crw_content_view.h",
     "web_state/ui/crw_context_menu_delegate.h",
-    "web_state/ui/crw_generic_content_view.h",
     "web_state/ui/crw_native_content.h",
     "web_state/ui/crw_native_content_provider.h",
     "web_state/ui/crw_web_view_content_view.h",

ios/web/public/web_state/ui/crw_generic_content_view.h

-// Copyright 2015 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 IOS_WEB_PUBLIC_WEB_STATE_UI_CRW_GENERIC_CONTENT_VIEW_H_
-#define IOS_WEB_PUBLIC_WEB_STATE_UI_CRW_GENERIC_CONTENT_VIEW_H_
-
-#import "ios/web/public/web_state/ui/crw_content_view.h"
-
-// Wraps an arbitrary native UIView in a CRWContentView.
-@interface CRWGenericContentView : CRWContentView
-
-// The view that was passed to |-initWithContentView:|.  This is the view that
-// is displayed in |self.scrollView|.
-@property(nonatomic, strong, readonly) UIView* view;
-
-// Initializes the CRWNativeContentContainerView to display |view|, which
-// will be added to the scroll view.
-- (instancetype)initWithView:(UIView*)view NS_DESIGNATED_INITIALIZER;
-
-// CRWGenericContentViews should be initialized via |-initWithView:|.
-- (instancetype)initWithCoder:(NSCoder*)decoder NS_UNAVAILABLE;
-- (instancetype)initWithFrame:(CGRect)frame NS_UNAVAILABLE;
-
-@end
-
-#endif  // IOS_WEB_PUBLIC_WEB_STATE_UI_CRW_GENERIC_CONTENT_VIEW_H_

ios/web/web_state/ui/BUILD.gn

@@ -39,7 +39,6 @@ source_set("ui") {
   ]
 
   sources = [
-    "crw_generic_content_view.mm",
     "crw_swipe_recognizer_provider.h",
     "crw_touch_tracking_recognizer.h",
     "crw_touch_tracking_recognizer.mm",

ios/web/web_state/ui/crw_generic_content_view.mm

-// Copyright 2015 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/web/public/web_state/ui/crw_generic_content_view.h"
-
-#include "base/logging.h"
-
-#if !defined(__has_feature) || !__has_feature(objc_arc)
-#error "This file requires ARC support."
-#endif
-
-@interface CRWGenericContentView () {
-  // The size of the view's bounds at the last call to |-layoutSubviews|.
-  CGSize _lastLayoutSize;
-  // Backing objectect for |self.scrollView|.
-  UIScrollView* _scrollView;
-  // Backing object for |self.view|.
-  UIView* _view;
-}
-
-@end
-
-@implementation CRWGenericContentView
-@synthesize contentOffset = _contentOffset;
-
-- (instancetype)initWithView:(UIView*)view {
-  self = [super initWithFrame:CGRectZero];
-  if (self) {
-    DCHECK(view);
-    _lastLayoutSize = CGSizeZero;
-    _view = view;
-    _scrollView = [[UIScrollView alloc] initWithFrame:CGRectZero];
-    [self addSubview:_scrollView];
-    [_scrollView addSubview:_view];
-    [_scrollView setBackgroundColor:[_view backgroundColor]];
-  }
-  return self;
-}
-
-- (instancetype)initWithCoder:(NSCoder*)decoder {
-  NOTREACHED();
-  return nil;
-}
-
-- (instancetype)initWithFrame:(CGRect)frame {
-  NOTREACHED();
-  return nil;
-}
-
-#pragma mark Accessors
-
-- (UIScrollView*)scrollView {
-  if (!_scrollView) {
-    _scrollView = [[UIScrollView alloc] initWithFrame:CGRectZero];
-  }
-  return _scrollView;
-}
-
-- (UIEdgeInsets)contentInset {
-  return self.scrollView.contentInset;
-}
-
-- (void)setContentInset:(UIEdgeInsets)contentInset {
-  self.scrollView.contentInset = contentInset;
-}
-
-- (UIView*)view {
-  return _view;
-}
-
-#pragma mark Layout
-
-- (void)layoutSubviews {
-  [super layoutSubviews];
-
-  // Early return if the bounds' size hasn't changed since the last layout.
-  if (CGSizeEqualToSize(_lastLayoutSize, self.bounds.size))
-    return;
-  _lastLayoutSize = self.bounds.size;
-
-  // scrollView layout.
-  self.scrollView.frame = self.bounds;
-
-  // view layout.
-  CGRect contentRect =
-      UIEdgeInsetsInsetRect(self.bounds, self.scrollView.contentInset);
-  CGSize viewSize = [self.view sizeThatFits:contentRect.size];
-  self.view.frame = CGRectMake(0.0, 0.0, viewSize.width, viewSize.height);
-
-  // UIScrollViews only scroll vertically if the content size's height is
-  // greater than that of its bounds.
-  if (viewSize.height <= _lastLayoutSize.height) {
-    CGFloat singlePixel = 1.0f / [[UIScreen mainScreen] scale];
-    viewSize.height = _lastLayoutSize.height + singlePixel;
-  }
-  self.scrollView.contentSize = viewSize;
-}
-
-- (BOOL)isViewAlive {
-  return YES;
-}
-
-@end