[Mac]Fix issue 34343: "Tab to search" hint on omnibox disappears on drag dropped tab.

This CL is just a clone of http://codereview.chromium.org/1519005. As I just rebuilt my working environment.

BUG=34343
TEST=Input www.google.com to trigger "tab to search" hint, then drag the tab into a new window, then check if "tab to search" hint is still there.

Review URL: http://codereview.chromium.org/1523016

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@46112 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 11 insertions, 0 deletions

diff --git a/chrome/browser/cocoa/autocomplete_text_field.mm b/chrome/browser/cocoa/autocomplete_text_field.mm
index a4242bb..f24cfa5 100644
--- a/chrome/browser/cocoa/autocomplete_text_field.mm
+++ b/chrome/browser/cocoa/autocomplete_text_field.mm
@@ -320,6 +320,17 @@
   if (doAccept) {
     [[BrowserWindowController browserWindowControllerForView:self]
         lockBarVisibilityForOwner:self withAnimation:YES delay:NO];
+
+    // Tells the observer that we get the focus.
+    // But we can't call observer_->OnKillFocus() in resignFirstResponder:,
+    // because the first responder will be immediately set to the field editor
+    // when calling [super becomeFirstResponder], thus we won't receive
+    // resignFirstResponder: anymore when losing focus.
+    if (observer_) {
+      NSEvent* theEvent = [NSApp currentEvent];
+      const bool controlDown = ([theEvent modifierFlags]&NSControlKeyMask) != 0;
+      observer_->OnSetFocus(controlDown);
+    }
   }
   return doAccept;
 }