[ios] Stop setting omnibox fakebox flag on iPhone.

ios/chrome/browser/ui/toolbar/web_toolbar_controller.mm

Index: ios/chrome/browser/ui/toolbar/web_toolbar_controller.mm
diff --git a/ios/chrome/browser/ui/toolbar/web_toolbar_controller.mm b/ios/chrome/browser/ui/toolbar/web_toolbar_controller.mm
index 85cdcae7446fe88ee8e1fbff2ffba86eca99a7c2..6e921e783cc81faad18b60badb1fa5d22c83fb06 100644
--- a/ios/chrome/browser/ui/toolbar/web_toolbar_controller.mm
+++ b/ios/chrome/browser/ui/toolbar/web_toolbar_controller.mm
@@ -1335,14 +1335,14 @@ CGRect RectShiftedDownAndResizedForStatusBar(CGRect rect) {
 }
 
 - (void)focusFakebox {
-  OmniboxEditModel* model = _locationBar->GetLocationEntry()->model();
-  // Setting the caret visibility to false causes OmniboxEditModel to indicate
-  // that omnibox interaction was initiated from the fakebox. Note that
-  // SetCaretVisibility is a no-op unless OnSetFocus is called first.
-  model->OnSetFocus(false);
-  model->SetCaretVisibility(false);
-
-  if (!IsIPadIdiom()) {
+  if (IsIPadIdiom()) {
+    OmniboxEditModel* model = _locationBar->GetLocationEntry()->model();
+    // Setting the caret visibility to false causes OmniboxEditModel to indicate
+    // that omnibox interaction was initiated from the fakebox. Note that
+    // SetCaretVisibility is a no-op unless OnSetFocus is called first.

[rohitrao (ping after 24h), 2017/01/10 17:18:45]

Add to this explaining why the phone omnibox does not count as a fakebox?

[justincohen, 2017/01/12 18:04:36]

Done.

+    model->OnSetFocus(false);
+    model->SetCaretVisibility(false);
+  } else {
     // Set the omnibox background's frame to full bleed.
     CGRect mobFrame = CGRectInset([_clippingView bounds], -2, -2);
     [_omniboxBackground setFrame:mobFrame];