[ios] Adds test provider implementations.

ios/public/provider/chrome/browser/test_chrome_browser_provider.h

Index: ios/public/provider/chrome/browser/test_chrome_browser_provider.h
diff --git a/ios/public/provider/chrome/browser/test_chrome_browser_provider.h b/ios/public/provider/chrome/browser/test_chrome_browser_provider.h
index aeaec1831831b22f7031bfd952ee8d30d99521ea..30afbfa65077ca5423f360314ec24e2bc7e7e8aa 100644
--- a/ios/public/provider/chrome/browser/test_chrome_browser_provider.h
+++ b/ios/public/provider/chrome/browser/test_chrome_browser_provider.h
@@ -22,21 +22,29 @@ class TestChromeBrowserProvider : public ChromeBrowserProvider {
   static TestChromeBrowserProvider* GetTestProvider();
 
   // ChromeBrowserProvider:
+  InfoBarViewPlaceholder CreateInfoBarView(
+      CGRect frame,
+      InfoBarViewDelegate* delegate) override NS_RETURNS_RETAINED;
   SigninResourcesProvider* GetSigninResourcesProvider() override;
   void SetChromeIdentityServiceForTesting(
       std::unique_ptr<ChromeIdentityService> service) override;
   ChromeIdentityService* GetChromeIdentityService() override;
+  LiveTabContextProvider* GetLiveTabContextProvider() override;
   UITextField<TextFieldStyling>* CreateStyledTextField(
       CGRect frame) const override NS_RETURNS_RETAINED;
   NSArray* GetAvailableVoiceSearchLanguages() const override;
   VoiceSearchProvider* GetVoiceSearchProvider() const override;
   AppDistributionProvider* GetAppDistributionProvider() const override;
   OmahaServiceProvider* GetOmahaServiceProvider() const override;
+  std::unique_ptr<sync_sessions::SyncedWindowDelegatesGetter>
+  CreateSyncedWindowDelegatesGetter(
+      ios::ChromeBrowserState* browser_state) override;
   id<NativeAppWhitelistManager> GetNativeAppWhitelistManager() const override;
 
  private:
   std::unique_ptr<AppDistributionProvider> app_distribution_provider_;
   std::unique_ptr<ChromeIdentityService> chrome_identity_service_;
+  std::unique_ptr<LiveTabContextProvider> live_tab_context_provider_;
   std::unique_ptr<OmahaServiceProvider> omaha_service_provider_;
   std::unique_ptr<SigninResourcesProvider> signin_resources_provider_;
   std::unique_ptr<VoiceSearchProvider> voice_search_provider_;