Componentize autofill dialog common code

components/autofill/core/browser/detail_input.h

+// Copyright 2015 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.
+
+#ifndef COMPONENTS_AUTOFILL_CORE_BROWSER_DETAIL_INPUT_H_
+#define COMPONENTS_AUTOFILL_CORE_BROWSER_DETAIL_INPUT_H_
+
+#include <vector>
+
+#include "base/strings/string16.h"
+#include "components/autofill/core/browser/field_types.h"
+
+namespace autofill {
+
+// This struct describes a single input control for the imperative autocomplete
+// dialog.
+struct DetailInput {
+  enum Length {
+    SHORT,      // Shares a line with other short inputs, like display: inline.
+    SHORT_EOL,  // Like SHORT but starts a new line directly afterward. Used to
+                // separate groups of short inputs into different lines.
+    LONG,       // Will be given its own full line, like display: block.
+    NONE,       // Input will not be shown.
+  };
+
+  // Returns whether this input can spread across multiple lines.
+  bool IsMultiline() const;
+
+  // Used to determine which inputs share lines when laying out.
+  Length length;
+
+  ServerFieldType type;
+
+  // Text shown when the input is at its default state (e.g. empty).
+  base::string16 placeholder_text;
+
+  // A number between 0 and 1.0 that describes how much of the horizontal space
+  // in the row should be allotted to this input. 0 is equivalent to 1.
+  float expand_weight;
+
+  // When non-empty, indicates the starting value for this input. This will be
+  // used when the user is editing existing data.
+  base::string16 initial_value;
+};
+
+typedef std::vector<DetailInput> DetailInputs;
+
+}  // namespace autofill
+
+#endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_DETAIL_INPUT_H_