Create ChromeEarlGrey waitForWebViewContainingText.

ios/chrome/browser/web/cache_egtest.mm

Index: ios/chrome/browser/web/cache_egtest.mm
diff --git a/ios/chrome/browser/web/cache_egtest.mm b/ios/chrome/browser/web/cache_egtest.mm
index e168797c2fdc76d8f1ceaa181908fe05a1ab04a3..69e1eaa93e96c9cdc20cd84756024b53ce2940ef 100644
--- a/ios/chrome/browser/web/cache_egtest.mm
+++ b/ios/chrome/browser/web/cache_egtest.mm
@@ -188,34 +188,24 @@ class ScopedBlockPopupsPref {
 
   // 1st hit to server. Verify that the server has the correct hit count.
   [ChromeEarlGrey loadURL:cacheTestFirstPageURL];
-  [[EarlGrey
-      selectElementWithMatcher:WebViewContainingText("serverHitCounter: 1")]
-      assertWithMatcher:grey_notNil()];
+  [ChromeEarlGrey waitForWebViewContainingText:"serverHitCounter: 1"];
 
   // Navigate to another page. 2nd hit to server.
   chrome_test_util::TapWebViewElementWithId(kCacheTestLinkID);
-  [[EarlGrey
-      selectElementWithMatcher:WebViewContainingText("serverHitCounter: 2")]
-      assertWithMatcher:grey_notNil()];
+  [ChromeEarlGrey waitForWebViewContainingText:"serverHitCounter: 2"];
 
   // Navigate back. This should not hit the server. Verify the page has been
   // loaded from cache. The serverHitCounter will remain the same.
   [self goBack];
-  [[EarlGrey
-      selectElementWithMatcher:WebViewContainingText("serverHitCounter: 1")]
-      assertWithMatcher:grey_notNil()];
+  [ChromeEarlGrey waitForWebViewContainingText:"serverHitCounter: 1"];
 
   // Reload page. 3rd hit to server. Verify that page reload causes the
   // hitCounter to show updated value.
   [self reloadPage];
-  [[EarlGrey
-      selectElementWithMatcher:WebViewContainingText("serverHitCounter: 3")]
-      assertWithMatcher:grey_notNil()];
+  [ChromeEarlGrey waitForWebViewContainingText:"serverHitCounter: 3"];
 
   // Verify that page reload causes Cache-Control value to be sent with request.
-  [[EarlGrey
-      selectElementWithMatcher:WebViewContainingText("cacheControl: max-age=0")]
-      assertWithMatcher:grey_notNil()];
+  [ChromeEarlGrey waitForWebViewContainingText:"cacheControl: max-age=0"];
 }
 
 // Tests caching behavior when opening new tab. New tab should not use the
@@ -230,17 +220,12 @@ class ScopedBlockPopupsPref {
 
   // 1st hit to server. Verify title and hitCount.
   [ChromeEarlGrey loadURL:cacheTestFirstPageURL];
-  [[EarlGrey selectElementWithMatcher:WebViewContainingText("First Page")]
-      assertWithMatcher:grey_notNil()];
-  [[EarlGrey
-      selectElementWithMatcher:WebViewContainingText("serverHitCounter: 1")]
-      assertWithMatcher:grey_notNil()];
+  [ChromeEarlGrey waitForWebViewContainingText:"First Page"];
+  [ChromeEarlGrey waitForWebViewContainingText:"serverHitCounter: 1"];
 
   // 2nd hit to server. Verify hitCount.
   [ChromeEarlGrey loadURL:cacheTestThirdPageURL];
-  [[EarlGrey
-      selectElementWithMatcher:WebViewContainingText("serverHitCounter: 2")]
-      assertWithMatcher:grey_notNil()];
+  [ChromeEarlGrey waitForWebViewContainingText:"serverHitCounter: 2"];
 
   // Open the first page in a new tab. Verify that cache was not used. Must
   // first allow popups.
@@ -248,11 +233,8 @@ class ScopedBlockPopupsPref {
   chrome_test_util::TapWebViewElementWithId(kCacheTestLinkID);
   chrome_test_util::AssertMainTabCount(2);
   [ChromeEarlGrey waitForPageToFinishLoading];
-  [[EarlGrey selectElementWithMatcher:WebViewContainingText("First Page")]
-      assertWithMatcher:grey_notNil()];
-  [[EarlGrey
-      selectElementWithMatcher:WebViewContainingText("serverHitCounter: 3")]
-      assertWithMatcher:grey_notNil()];
+  [ChromeEarlGrey waitForWebViewContainingText:"First Page"];
+  [ChromeEarlGrey waitForWebViewContainingText:"serverHitCounter: 3"];
 }
 
 // Tests that cache is not used when selecting omnibox suggested website, even
@@ -268,11 +250,8 @@ class ScopedBlockPopupsPref {
 
   // 1st hit to server. Verify title and hitCount.
   [ChromeEarlGrey loadURL:cacheTestFirstPageURL];
-  [[EarlGrey selectElementWithMatcher:WebViewContainingText("First Page")]
-      assertWithMatcher:grey_notNil()];
-  [[EarlGrey
-      selectElementWithMatcher:WebViewContainingText("serverHitCounter: 1")]
-      assertWithMatcher:grey_notNil()];
+  [ChromeEarlGrey waitForWebViewContainingText:"First Page"];
+  [ChromeEarlGrey waitForWebViewContainingText:"serverHitCounter: 1"];
 
   // Type a search into omnnibox and select the first suggestion (second row)
   [[EarlGrey selectElementWithMatcher:chrome_test_util::Omnibox()]
@@ -282,11 +261,8 @@ class ScopedBlockPopupsPref {
       performAction:grey_tap()];
 
   // Verify title and hitCount. Cache should not be used.
-  [[EarlGrey selectElementWithMatcher:WebViewContainingText("First Page")]
-      assertWithMatcher:grey_notNil()];
-  [[EarlGrey
-      selectElementWithMatcher:WebViewContainingText("serverHitCounter: 2")]
-      assertWithMatcher:grey_notNil()];
+  [ChromeEarlGrey waitForWebViewContainingText:"First Page"];
+  [ChromeEarlGrey waitForWebViewContainingText:"serverHitCounter: 2"];
 }
 
 @end