[ios] Removed unused CRWWebControllerObserver methods.

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 <WebKit/WebKit.h>
 
 #include <utility>
 
 #include "base/ios/ios_util.h"
 #include "base/mac/scoped_nsobject.h"
-#include "base/strings/sys_string_conversions.h"
 #import "base/test/ios/wait_util.h"
-#include "base/values.h"
 #import "ios/testing/ocmock_complex_type_helper.h"
 #include "ios/web/navigation/crw_session_controller.h"
 #include "ios/web/navigation/crw_session_entry.h"
 #include "ios/web/navigation/navigation_item_impl.h"
 #import "ios/web/navigation/navigation_manager_impl.h"
 #include "ios/web/public/referrer.h"
 #import "ios/web/public/test/test_native_content.h"
 #import "ios/web/public/test/test_native_content_provider.h"
 #import "ios/web/public/test/test_web_client.h"
 #include "ios/web/public/test/test_web_view_content_view.h"
@@ skipping 171 matching lines @@
         shouldOpenURL:(const GURL&)URL
       mainDocumentURL:(const GURL&)mainDocumentURL
           linkClicked:(BOOL)linkClicked {
   return YES;
 }
 @end
 
 @interface CountingObserver : NSObject<CRWWebControllerObserver>
 
 @property(nonatomic, readonly) int pageLoadedCount;
-@property(nonatomic, readonly) int messageCount;
 @end
 
 @implementation CountingObserver
 @synthesize pageLoadedCount = _pageLoadedCount;
-@synthesize messageCount = _messageCount;
 
 - (void)pageLoaded:(CRWWebController*)webController {
   ++_pageLoadedCount;
 }
 
-- (BOOL)handleCommand:(const base::DictionaryValue&)command
-        webController:(CRWWebController*)webController
-    userIsInteracting:(BOOL)userIsInteracting
-            originURL:(const GURL&)originURL {
-  ++_messageCount;
-  return YES;
-}
-
-- (NSString*)commandPrefix {
-  return @"wctest";
-}
-
 @end
 
 namespace {
 
 const char kTestURLString[] = "http://www.google.com/";
 const char kTestAppSpecificURL[] = "testwebui://test/";
 
 // Returns true if the current device is a large iPhone (6 or 6+).
 bool IsIPhone6Or6Plus() {
   UIUserInterfaceIdiom idiom = [[UIDevice currentDevice] userInterfaceIdiom];
@@ skipping 660 matching lines @@
   EXPECT_EQ(0u, [web_controller() observerCount]);
   [web_controller() addObserver:observer];
   EXPECT_EQ(1u, [web_controller() observerCount]);
 
   EXPECT_EQ(0, [observer pageLoadedCount]);
   [web_controller() webStateImpl]->OnPageLoaded(GURL("http://test"), false);
   EXPECT_EQ(0, [observer pageLoadedCount]);
   [web_controller() webStateImpl]->OnPageLoaded(GURL("http://test"), true);
   EXPECT_EQ(1, [observer pageLoadedCount]);
 
-  EXPECT_EQ(0, [observer messageCount]);
-  // Non-matching prefix.
-  EXPECT_FALSE([web_controller() webStateImpl]->OnScriptCommandReceived(
-      "a", base::DictionaryValue(), GURL("http://test"), true));
-  EXPECT_EQ(0, [observer messageCount]);
-  // Matching prefix.
-  EXPECT_TRUE([web_controller() webStateImpl]->OnScriptCommandReceived(
-      base::SysNSStringToUTF8([observer commandPrefix]) + ".foo",
-      base::DictionaryValue(), GURL("http://test"), true));
-  EXPECT_EQ(1, [observer messageCount]);
-
   [web_controller() removeObserver:observer];
   EXPECT_EQ(0u, [web_controller() observerCount]);
 };
 
 // Test fixture for window.open tests.
 class CRWWebControllerWindowOpenTest : public web::WebTestWithWebController {
  protected:
   void SetUp() override {
     web::WebTestWithWebController::SetUp();
 
@@ skipping 142 matching lines @@
 
   [web_controller() setDelegate:delegate];
   web::SimulateWKWebViewCrash(webView_);
 
   EXPECT_OCMOCK_VERIFY(delegate);
   EXPECT_FALSE([web_controller() isViewAlive]);
   [web_controller() setDelegate:nil];
 };
 
 }  // namespace