Complete WebStateObserverBridge and follow Cocoa naming style.

ios/web/web_state/web_state_observer_bridge.mm

Index: ios/web/web_state/web_state_observer_bridge.mm
diff --git a/ios/web/web_state/web_state_observer_bridge.mm b/ios/web/web_state/web_state_observer_bridge.mm
index c0b2db43b7fc55a0e621200a5e4a7e0ab9ccd07e..eef1be783c37a632660177dc0919061d701e4eae 100644
--- a/ios/web/web_state/web_state_observer_bridge.mm
+++ b/ios/web/web_state/web_state_observer_bridge.mm
@@ -14,20 +14,48 @@ WebStateObserverBridge::WebStateObserverBridge(web::WebState* webState,
 WebStateObserverBridge::~WebStateObserverBridge() {
 }
 
+void WebStateObserverBridge::NavigationItemCommitted(
+    const web::LoadCommittedDetails& load_detatils) {
+  SEL selector = @selector(webState:didCommitNavigationWithDetails:);
+  if ([observer_ respondsToSelector:selector]) {
+    [observer_ webState:web_state()
+        didCommitNavigationWithDetails:load_detatils];
+  }
+}
+
 void WebStateObserverBridge::PageLoaded(
     web::PageLoadCompletionStatus load_completion_status) {
-  SEL selector = @selector(pageLoaded:);
+  SEL selector = @selector(webStateDidLoadPage:);
+  if ([observer_ respondsToSelector:selector])
+    [observer_ webStateDidLoadPage:web_state()];
+}
+
+void WebStateObserverBridge::InsterstitialDismissed() {
+  SEL selector = @selector(webStateDidDismissInterstitial:);
+  if ([observer_ respondsToSelector:selector])
+    [observer_ webStateDidDismissInterstitial:web_state()];
+}
+
+void WebStateObserverBridge::UrlHashChanged() {
+  SEL selector = @selector(webStateDidChangeURLHash:);
+  if ([observer_ respondsToSelector:selector])
+    [observer_ webStateDidChangeURLHash:web_state()];
+}
+
+void WebStateObserverBridge::HistoryStateChanged() {
+  SEL selector = @selector(webStateDidChangeHistoryState:);
   if ([observer_ respondsToSelector:selector])
-    [observer_ pageLoaded:web_state()];
+    [observer_ webStateDidChangeHistoryState:web_state()];
 }
 
-void WebStateObserverBridge::DocumentSubmitted(
-    const std::string& form_name, bool user_interaction) {
-  SEL selector = @selector(documentSubmitted:formName:userInteraction:);
+void WebStateObserverBridge::DocumentSubmitted(const std::string& form_name,
+                                               bool user_initiated) {
+  SEL selector =
+      @selector(webState:didSubmitDocumentWithFormNamed:userInitiated:);
   if ([observer_ respondsToSelector:selector]) {
-    [observer_ documentSubmitted:web_state()
-                        formName:form_name
-                 userInteraction:user_interaction];
+    [observer_ webState:web_state()
+        didSubmitDocumentWithFormNamed:form_name
+                         userInitiated:user_initiated];
   }
 }
 
@@ -37,20 +65,47 @@ void WebStateObserverBridge::FormActivityRegistered(
     const std::string& type,
     const std::string& value,
     int key_code,
-    bool error) {
-  SEL selector =
-      @selector(formActivity:formName:fieldName:type:value:keyCode:error:);
+    bool input_missing) {
+  SEL selector = @selector(webState:
+      didRegisterFormActivityWithFormNamed:
+                                 fieldName:
+                                      type:
+                                     value:
+                                   keyCode:
+                              inputMissing:);
   if ([observer_ respondsToSelector:selector]) {
-    [observer_ formActivity:web_state()
-                   formName:form_name
-                  fieldName:field_name
-                       type:type
-                      value:value
-                    keyCode:key_code
-                      error:error];
+    [observer_ webState:web_state()
+        didRegisterFormActivityWithFormNamed:form_name
+                                   fieldName:field_name
+                                        type:type
+                                       value:value
+                                     keyCode:key_code
+                                inputMissing:input_missing];
   }
 }
 
+void WebStateObserverBridge::AutocompleteRequested(const GURL& source_url,
+                                                   const std::string& form_name,
+                                                   bool user_initiated) {
+  SEL selector = @selector(webState:
+      requestAutocompleteForFormNamed:
+                            sourceURL:
+                        userInitiated:);
+  if ([observer_ respondsToSelector:selector]) {
+    [observer_ webState:web_state()
+        requestAutocompleteForFormNamed:form_name
+                              sourceURL:source_url
+                          userInitiated:user_initiated];
+  }
+}
+
+void WebStateObserverBridge::FaviconUrlUpdated(
+    const std::vector<FaviconURL>& candidates) {
+  SEL selector = @selector(webState:didUpdateFaviconURLCandidates:);
+  if ([observer_ respondsToSelector:selector])
+    [observer_ webState:web_state() didUpdateFaviconURLCandidates:candidates];
+}
+
 void WebStateObserverBridge::WebStateDestroyed() {
   SEL selector = @selector(webStateDestroyed:);
   if ([observer_ respondsToSelector:selector]) {