[ios] Removed unused CRWWebControllerObserver methods.

ios/web/web_state/ui/crw_web_controller_observer_unittest.mm

 // Copyright 2014 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 "ios/web/public/web_state/crw_web_controller_observer.h"
 
-#include "base/json/json_writer.h"
 #include "base/mac/scoped_nsobject.h"
-#include "base/values.h"
-#import "ios/testing/ocmock_complex_type_helper.h"
-#import "ios/web/public/web_state/crw_web_controller_observer.h"
-#import "ios/web/public/web_state/js/crw_js_injection_manager.h"
-#import "ios/web/public/web_state/js/crw_js_injection_receiver.h"
 #import "ios/web/test/crw_fake_web_controller_observer.h"
 #import "ios/web/test/web_test_with_web_controller.h"
-#include "testing/gtest_mac.h"
 
 namespace web {
 
 // Test fixture to test web controller observing.
 class CRWWebControllerObserverTest : public web::WebTestWithWebController {
  protected:
   void SetUp() override {
     web::WebTestWithWebController::SetUp();
     fake_web_controller_observer_.reset(
-        [[CRWFakeWebControllerObserver alloc] initWithCommandPrefix:@"test"]);
+        [[CRWFakeWebControllerObserver alloc] init]);
     [web_controller() addObserver:fake_web_controller_observer_];
   }
 
   void TearDown() override {
     [web_controller() removeObserver:fake_web_controller_observer_];
     fake_web_controller_observer_.reset();
     web::WebTestWithWebController::TearDown();
   }
 
   base::scoped_nsobject<CRWFakeWebControllerObserver>
       fake_web_controller_observer_;
 };
 
 TEST_F(CRWWebControllerObserverTest, PageLoaded) {
   EXPECT_FALSE([fake_web_controller_observer_ pageLoaded]);
   LoadHtml(@"<p></p>");
   EXPECT_TRUE([fake_web_controller_observer_ pageLoaded]);
 }
 
-// Tests that web controller receives a JS message from the page.
-TEST_F(CRWWebControllerObserverTest, HandleCommand) {
-  LoadHtml(@"<p></p>");
-  ASSERT_EQ(0U, [fake_web_controller_observer_ commandsReceived].size());
-  base::DictionaryValue command;
-  command.SetString("command", "test.testMessage");
-  std::string message;
-  base::JSONWriter::Write(command, &message);
-  ExecuteJavaScript([NSString
-      stringWithFormat:@"__gCrWeb.message.invokeOnHost(%s)", message.c_str()]);
-  WaitForBackgroundTasks();
-  ASSERT_EQ(1U, [fake_web_controller_observer_ commandsReceived].size());
-  EXPECT_TRUE(
-      [fake_web_controller_observer_ commandsReceived][0]->Equals(&command));
-}
-
-// Send a large number of commands and check each one is immediately received.
-TEST_F(CRWWebControllerObserverTest, HandleMultipleCommands) {
-  LoadHtml(@"<p></p>");
-
-  base::DictionaryValue command;
-  command.SetString("command", "test.testMessage");
-  int kNumberMessages = 200;
-  for (int count = 0; count <= kNumberMessages; count++) {
-    std::string message;
-    command.SetInteger("number", count);
-    base::JSONWriter::Write(command, &message);
-    ASSERT_EQ(0U, [fake_web_controller_observer_ commandsReceived].size());
-    ExecuteJavaScript(
-        [NSString stringWithFormat:@"__gCrWeb.message.invokeOnHost(%s)",
-                                   message.c_str()]);
-    WaitForBackgroundTasks();
-    ASSERT_EQ(1U, [fake_web_controller_observer_ commandsReceived].size());
-    EXPECT_TRUE(
-        [fake_web_controller_observer_ commandsReceived][0]->Equals(&command));
-    [fake_web_controller_observer_ commandsReceived].clear();
-    ASSERT_EQ(0U, [fake_web_controller_observer_ commandsReceived].size());
-  }
-}
-
 }  // namespace web