[ios] Moved all web mocks to ios/web/public/test/fakes.

ios/web/public/test/test_web_view_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/test/test_web_view_content_view.h"
-
-#include "base/logging.h"
-#import "base/mac/scoped_nsobject.h"
-
-@interface TestWebViewContentView () {
-  base::scoped_nsprotocol<id> _mockWebView;
-  base::scoped_nsprotocol<id> _mockScrollView;
-}
-
-@end
-
-@implementation TestWebViewContentView
-
-- (instancetype)initWithMockWebView:(id)webView scrollView:(id)scrollView {
-  self = [super initForTesting];
-  if (self) {
-    DCHECK(webView);
-    DCHECK(scrollView);
-    _mockWebView.reset([webView retain]);
-    _mockScrollView.reset([scrollView retain]);
-  }
-  return self;
-}
-
-- (instancetype)initWithCoder:(NSCoder*)decoder {
-  NOTREACHED();
-  return nil;
-}
-
-- (instancetype)initWithFrame:(CGRect)frame {
-  NOTREACHED();
-  return nil;
-}
-
-#pragma mark Accessors
-
-- (UIScrollView*)scrollView {
-  return static_cast<UIScrollView*>(_mockScrollView.get());
-}
-
-- (UIView*)webView {
-  return static_cast<UIView*>(_mockWebView.get());
-}
-
-@end