Set CRWWebViewContentView's size before resetting scroll proxy.

ios/web/web_state/ui/crw_web_controller_unittest.mm

 // 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/web/web_state/ui/crw_web_controller.h"
 
 #import <UIKit/UIKit.h>
 #import <WebKit/WebKit.h>
 
 #include <utility>
@@ skipping 317 matching lines @@
 
   virtual void TearDown() override {
     EXPECT_OCMOCK_VERIFY(mockDelegate_);
     EXPECT_OCMOCK_VERIFY(mockChildWebController_.get());
     EXPECT_OCMOCK_VERIFY(mockWebView_);
     [WebTestT::webController_ resetInjectedWebViewContentView];
     [WebTestT::webController_ setDelegate:nil];
     WebTestT::TearDown();
   }
 
+  // The value for web view OCMock objects to expect for |-setFrame:|.
+  CGRect ExpectedWebViewFrame() const {
+    CGSize containerViewSize = [UIScreen mainScreen].bounds.size;
+    containerViewSize.height -=
+        CGRectGetHeight([UIApplication sharedApplication].statusBarFrame);
+    return {CGPointZero, containerViewSize};
+  }
+
   // Creates WebView mock.
   virtual UIView* CreateMockWebView() const = 0;
 
   // Simulates a load request delegate call from the web view.
   virtual void SimulateLoadRequest(NSURLRequest* request) const = 0;
 
   base::scoped_nsobject<UIScrollView> mockScrollView_;
   base::scoped_nsobject<id> mockWebView_;
   base::scoped_nsobject<id> mockDelegate_;
   base::scoped_nsobject<id> mockChildWebController_;
 };
 
 class CRWUIWebViewWebControllerTest
     : public WebControllerTest<web::WebTestWithUIWebViewWebController> {
  protected:
   UIView* CreateMockWebView() const override {
     id result = [[OCMockObject mockForClass:[UIWebView class]] retain];
     [[[result stub] andReturn:nil] request];
     [[result stub] setDelegate:OCMOCK_ANY];  // Called by resetInjectedWebView
+    [[result stub] setFrame:ExpectedWebViewFrame()];
     // Stub out the injection process.
     [[[result stub] andReturn:@"object"]
         stringByEvaluatingJavaScriptFromString:
             @"try { typeof __gCrWeb; } catch (e) { 'undefined'; }"];
     [[[result stub] andReturn:@"object"]
         stringByEvaluatingJavaScriptFromString:@"try { typeof "
                                                @"__gCrWeb.windowIdObject; } "
                                                @"catch (e) { 'undefined'; }"];
     return result;
   }
@@ skipping 14 matching lines @@
     WebControllerTest<web::WebTestWithWKWebViewWebController>::SetUp();
   }
   UIView* CreateMockWebView() const override {
     id result = [[OCMockObject mockForClass:[WKWebView class]] retain];
 
     // Called by resetInjectedWebView
     [[result stub] backForwardList];
     [[[result stub] andReturn:[NSURL URLWithString:kTestURLString]] URL];
     [[result stub] setNavigationDelegate:OCMOCK_ANY];
     [[result stub] setUIDelegate:OCMOCK_ANY];
+    [[result stub] setFrame:ExpectedWebViewFrame()];
     [[result stub] addObserver:webController_
                     forKeyPath:OCMOCK_ANY
                        options:0
                        context:nullptr];
     [[result stub] addObserver:OCMOCK_ANY
                     forKeyPath:@"scrollView.backgroundColor"
                        options:0
                        context:nullptr];
 
     [[result stub] removeObserver:webController_ forKeyPath:OCMOCK_ANY];
@@ skipping 1150 matching lines @@
                    // https://bugs.webkit.org/show_bug.cgi?id=140203
                    VLOG(1) << "Script has been flushed.";
                  }];
   // -evaluateJavaScript:stringResultHandler: is asynchronous so JavaScript
   // evaluation will not happen until TearDown, which deallocates
   // CRWWebController, which in its turn will deallocate WKWebView to create a
   // crashy condition.
 };
 
 }  // namespace