Remove -[CRWWebController dismissKeyboard].

Calling -setEditing:NO on Tab's view has the same effect as calling
-setEditing:NO on WKWebView (keyboard is dismissed). Also inlined
-dismissKeyboard call on CRWNativeContent.

Bug: 620489
Cq-Include-Trybots: luci.chromium.try:ios-simulator-full-configs;master.tryserver.chromium.mac:ios-simulator-cronet
Change-Id: I2f77cbf168907ce2ad45300b16469f71b398bbfd
Reviewed-on: https://chromium-review.googlesource.com/1068257Reviewed-by: Kurt Horimoto <kkhorimoto@chromium.org>
Commit-Queue: Eugene But <eugenebut@chromium.org>
Cr-Commit-Position: refs/heads/master@{#560669}

ios/chrome/browser/ui/browser_view_controller.mm

@@ -1456,7 +1456,10 @@ applicationCommandEndpoint:(id<ApplicationCommands>)applicationCommandEndpoint {
   // Keyboard shouldn't overlay the ecoutez window, so dismiss find in page and
   // dismiss the keyboard.
   [self closeFindInPage];
-  [[_model currentTab].webController dismissKeyboard];
+  [_model.currentTab.view endEditing:NO];
+  id nativeController = [self nativeControllerForTab:_model.currentTab];
+  if ([nativeController respondsToSelector:@selector(dismissKeyboard)])
+    [nativeController dismissKeyboard];
 
   // Ensure that voice search objects are created.
   [self ensureVoiceSearchControllerCreated];
@@ -4948,7 +4951,10 @@ bubblePresenterForFeature:(const base::Feature&)feature
   // Dismiss the omnibox (if open).
   [self.dispatcher cancelOmniboxEdit];
   // Dismiss the soft keyboard (if open).
-  [[_model currentTab].webController dismissKeyboard];
+  [_model.currentTab.view endEditing:NO];
+  id nativeController = [self nativeControllerForTab:_model.currentTab];
+  if ([nativeController respondsToSelector:@selector(dismissKeyboard)])
+    [nativeController dismissKeyboard];
   // Dismiss Find in Page focus.
   [self updateFindBar:NO shouldFocus:NO];
 

ios/web/web_state/ui/crw_web_controller.h

@@ -172,9 +172,6 @@ class WebStateImpl;
 - (void)executeUserJavaScript:(NSString*)script
             completionHandler:(web::JavaScriptResultBlock)completion;
 
-// Dismisses the soft keyboard.
-- (void)dismissKeyboard;
-
 // Requires that the next load rebuild the web view. This is expensive, and
 // should be used only in the case where something has changed that the web view
 // only checks on creation, such that the whole object needs to be rebuilt.

ios/web/web_state/ui/crw_web_controller.mm

@@ -1000,12 +1000,6 @@ GURL URLEscapedForHistory(const GURL& url) {
   DCHECK(!_webView);
 }
 
-- (void)dismissKeyboard {
-  [_webView endEditing:YES];
-  if ([self.nativeController respondsToSelector:@selector(dismissKeyboard)])
-    [self.nativeController dismissKeyboard];
-}
-
 - (id<CRWNativeContent>)nativeController {
   return [_containerView nativeController];
 }