Make EarlGrey matchers compliant with Chromium style.

ios/web/public/test/earl_grey/web_view_matchers.h

 // Copyright 2016 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_TEST_EARL_GREY_WEB_VIEW_MATCHERS_H_
 #define IOS_WEB_PUBLIC_TEST_EARL_GREY_WEB_VIEW_MATCHERS_H_
 
 #include <string>
 
 #import <EarlGrey/EarlGrey.h>
 
 #import "ios/web/public/web_state/web_state.h"
 
 namespace web {
 
 // Matcher for WKWebView which belogs to the given |webState|.
-id<GREYMatcher> webViewInWebState(WebState* web_state);
+id<GREYMatcher> WebViewInWebState(WebState* web_state);
 
 // Matcher for WKWebView containing |text|.
-id<GREYMatcher> webViewContainingText(std::string text, WebState* web_state);
+id<GREYMatcher> WebViewContainingText(std::string text, WebState* web_state);
 
 // Matcher for WKWebView not containing |text|.  This should be used to verify
 // that a visible WKWebView does not contain |text|, rather than verifying that
 // a WKWebView containing |text| is not visible, as would be the case if
-// webViewContainingText() were asserted with grey_nil().
-id<GREYMatcher> webViewNotContainingText(std::string text, WebState* web_state);
+// WebViewContainingText() were asserted with grey_nil().
+id<GREYMatcher> WebViewNotContainingText(std::string text, WebState* web_state);
 
 // Matcher for WKWebView containing a blocked |image_id|.  When blocked, the
 // image element will be smaller actual image size.
-id<GREYMatcher> webViewContainingBlockedImage(std::string image_id,
+id<GREYMatcher> WebViewContainingBlockedImage(std::string image_id,
                                               WebState* web_state);
 
 // Matcher for WKWebView containing loaded image with |image_id|.  When loaded,
 // the image element will have the same size as actual image.
-id<GREYMatcher> webViewContainingLoadedImage(std::string image_id,
+id<GREYMatcher> WebViewContainingLoadedImage(std::string image_id,
                                              WebState* web_state);
 
 // Matcher for WKWebView containing an html element which matches |selector|.
-id<GREYMatcher> webViewCssSelector(std::string selector, WebState* web_state);
+id<GREYMatcher> WebViewCssSelector(std::string selector, WebState* web_state);
 
 // Matcher for WKWebView's scroll view.
-id<GREYMatcher> webViewScrollView(WebState* web_state);
+id<GREYMatcher> WebViewScrollView(WebState* web_state);
 
 // Matcher for an interstitial page. Does not wait if the page is not displayed.
-id<GREYMatcher> interstitial(WebState* web_state);
+id<GREYMatcher> Interstitial(WebState* web_state);
 
 // Matcher for interstitial page containing |text|. Waits until the text is
 // displayed or timed out.
-id<GREYMatcher> interstitialContainingText(NSString* text, WebState* web_state);
+id<GREYMatcher> InterstitialContainingText(NSString* text, WebState* web_state);
 
 }  // namespace web
 
 #endif  // IOS_WEB_PUBLIC_TEST_EARL_GREY_WEB_VIEW_MATCHERS_H_