Views Textfield/Omnibox: Do not paste on Ctrl+Alt[Gr]+V or AltGr+V.

chrome/browser/ui/omnibox/omnibox_view_browsertest.cc

Index: chrome/browser/ui/omnibox/omnibox_view_browsertest.cc
diff --git a/chrome/browser/ui/omnibox/omnibox_view_browsertest.cc b/chrome/browser/ui/omnibox/omnibox_view_browsertest.cc
index 9f39b0e20e701743e6be1448a399f816ec0bf3dc..fd815cdbc2434d90a10e0a7ea33137ea932bbd77 100644
--- a/chrome/browser/ui/omnibox/omnibox_view_browsertest.cc
+++ b/chrome/browser/ui/omnibox/omnibox_view_browsertest.cc
@@ -1581,6 +1581,12 @@ IN_PROC_BROWSER_TEST_F(OmniboxViewTest, Paste) {
   ASSERT_NO_FATAL_FAILURE(SendKey(ui::VKEY_V, kCtrlOrCmdMask));
   EXPECT_EQ(ASCIIToUTF16("ab123cd"), omnibox_view->GetText());
   EXPECT_TRUE(popup_model->IsOpen());
+
+  // Ctrl/Cmd+Alt+V should not paste.
+  ASSERT_NO_FATAL_FAILURE(
+      SendKey(ui::VKEY_V, kCtrlOrCmdMask | ui::EF_ALT_DOWN));
+  EXPECT_EQ(ASCIIToUTF16("ab123cd"), omnibox_view->GetText());
+  // TODO(msw): Test that AltGr+V does not paste.
 }
 
 IN_PROC_BROWSER_TEST_F(OmniboxViewTest, CopyURLToClipboard) {