Revert of [ios] Implemented LoadHtml w/o using data:// URLs.

ios/web/public/test/web_test_with_web_state.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_WEB_TEST_WITH_WEB_STATE_H_
 #define IOS_WEB_PUBLIC_TEST_WEB_TEST_WITH_WEB_STATE_H_
 
 #include "base/ios/block_types.h"
 #import "base/ios/weak_nsobject.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 12 matching lines @@
   ~WebTestWithWebState() override;
 
   // WebTest overrides.
   void SetUp() override;
   void TearDown() override;
 
   // base::MessageLoop::TaskObserver overrides.
   void WillProcessTask(const base::PendingTask& pending_task) override;
   void DidProcessTask(const base::PendingTask& pending_task) override;
 
-  // Loads the specified HTML content with URL into the WebState.
-  void LoadHtml(NSString* html, const GURL& url);
-  // Loads the specified HTML content into the WebState, using test url name.
+  // Loads the specified HTML content into the WebController via public APIs.
   void LoadHtml(NSString* html);
-  // Loads the specified HTML content into the WebState, using test url name.
+  // Loads the specified HTML content into the WebController via public APIs.
   void LoadHtml(const std::string& html);
+  // Loads |url| into the WebController via public APIs.
+  // Note if anyone uses this to load web pages from the live internet, the
+  // tests can be flaky / dependent on content and behavior beyond our control.
+  // Use this only when it's impossible to test with static HTML using LoadHtml.
+  void LoadURL(const GURL& url);
   // Blocks until both known NSRunLoop-based and known message-loop-based
   // background tasks have completed
   void WaitForBackgroundTasks();
   // Blocks until known NSRunLoop-based have completed, known message-loop-based
   // background tasks have completed and |condition| evaluates to true.
   void WaitForCondition(ConditionBlock condition);
   // Synchronously executes JavaScript and returns result as id.
   id ExecuteJavaScript(NSString* script);
 
   // Returns the base URL of the loaded page.
@@ skipping 15 matching lines @@
   // Creates a unique HTML element to look for in
   // ResetPageIfNavigationStalled().
   NSString* CreateLoadCheck();
   // The web state for testing.
   std::unique_ptr<WebState> web_state_;
 };
 
 }  // namespace web
 
 #endif  // IOS_WEB_PUBLIC_TEST_WEB_TEST_WITH_WEB_STATE_H_