Make EarlGrey matchers compliant with Chromium style.

ios/chrome/test/earl_grey/chrome_earl_grey_ui.mm

Index: ios/chrome/test/earl_grey/chrome_earl_grey_ui.mm
diff --git a/ios/chrome/test/earl_grey/chrome_earl_grey_ui.mm b/ios/chrome/test/earl_grey/chrome_earl_grey_ui.mm
index eff0c5ac48a9fb256dfc8817ece7d78649037202..7cfc95197435d42c64932bc6a4f0955b727495c9 100644
--- a/ios/chrome/test/earl_grey/chrome_earl_grey_ui.mm
+++ b/ios/chrome/test/earl_grey/chrome_earl_grey_ui.mm
@@ -22,10 +22,10 @@ using testing::kWaitForPageLoadTimeout;
   // TODO(crbug.com/639524): Add logic to ensure the app is in the correct
   // state, for example DCHECK if no tabs are displayed.
   [[[EarlGrey
-      selectElementWithMatcher:grey_allOf(chrome_test_util::toolsMenuButton(),
+      selectElementWithMatcher:grey_allOf(chrome_test_util::ToolsMenuButton(),
                                           grey_sufficientlyVisible(), nil)]
          usingSearchAction:grey_swipeSlowInDirection(kGREYDirectionDown)
-      onElementWithMatcher:web::webViewScrollView(
+      onElementWithMatcher:web::WebViewScrollView(
                                chrome_test_util::GetCurrentWebState())]
       performAction:grey_tap()];
   // TODO(crbug.com/639517): Add webViewScrollView matcher so we don't have
@@ -55,7 +55,7 @@ using testing::kWaitForPageLoadTimeout;
   if (IsCompact()) {
     [self openToolsMenu];
   }
-  [[EarlGrey selectElementWithMatcher:chrome_test_util::reloadButton()]
+  [[EarlGrey selectElementWithMatcher:chrome_test_util::ReloadButton()]
       performAction:grey_tap()];
 }
 
@@ -63,7 +63,7 @@ using testing::kWaitForPageLoadTimeout;
   if (IsCompact()) {
     [ChromeEarlGreyUI openToolsMenu];
   }
-  [[EarlGrey selectElementWithMatcher:chrome_test_util::shareButton()]
+  [[EarlGrey selectElementWithMatcher:chrome_test_util::ShareButton()]
       performAction:grey_tap()];
 }