Omnibox: Combine Two Input Type Enums into One

components/metrics/proto/omnibox_input_type.proto

Index: components/metrics/proto/omnibox_input_type.proto
diff --git a/components/metrics/proto/omnibox_input_type.proto b/components/metrics/proto/omnibox_input_type.proto
new file mode 100644
index 0000000000000000000000000000000000000000..6a9b08ec90abade7b6da9ec764dbd146b3f356bc
--- /dev/null
+++ b/components/metrics/proto/omnibox_input_type.proto
@@ -0,0 +1,37 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Stores information about an omnibox interaction.
+
+syntax = "proto2";
+
+option optimize_for = LITE_RUNTIME;
+
+package metrics.OmniboxInputType;
+
+// What kind of input the user provided.
+// Note that the type below may be misleading.  For example, "http:/" alone
+// cannot be opened as a URL, so it is marked as a QUERY; yet the user
+// probably intends to type more and have it eventually become a URL, so we
+// need to make sure we still run it through inline autocomplete.
+enum Type {
+  // Empty input (should not reach here)
+  INVALID = 0;
+
+  // Valid input whose type cannot be determined
+  UNKNOWN = 1;
+
+  // DEPRECATED. Input autodetected as UNKNOWN, which the user wants to treat
+  // as an URL by specifying a desired_tld.
+  DEPRECATED_REQUESTED_URL = 2;
+
+  // Input autodetected as a URL
+  URL = 3;
+
+  // Input autodetected as a query
+  QUERY = 4;
+
+  // Input forced to be a query by an initial '?'
+  FORCED_QUERY = 5;
+}