Add token selection to the send screen (#6445)

* Move send to pages/

* Fix unit tests

* Finish UI

* Integrate asset dropdown to send actions

* Remove console.log

* Hide asset change during edit

* Enable switch from send token to seand eth

* Enable switching from token to eth when editing

* Fix linter

* Fixing test

* Fix unit tests

* Fix linter

* Fix react warning; remove console.log

* fix flat test

* Add metrics

* Address code review comments

* Consistent spacing between send screen form rows.

* Reduce height of gas buttons on send screen.

* Make send screen gas button height dependent on size of contents.

1 files changed, 57 insertions, 0 deletions

diff --git a/ui/app/pages/send/send-content/send-gas-row/gas-fee-display/gas-fee-display.component.js b/ui/app/pages/send/send-content/send-gas-row/gas-fee-display/gas-fee-display.component.js
new file mode 100644
index 000000000..3f5587318
--- /dev/null
+++ b/ui/app/pages/send/send-content/send-gas-row/gas-fee-display/gas-fee-display.component.js
@@ -0,0 +1,57 @@
+import React, {Component} from 'react'
+import PropTypes from 'prop-types'
+import UserPreferencedCurrencyDisplay from '../../../../../components/app/user-preferenced-currency-display'
+import { PRIMARY, SECONDARY } from '../../../../../helpers/constants/common'
+
+export default class GasFeeDisplay extends Component {
+
+  static propTypes = {
+    conversionRate: PropTypes.number,
+    primaryCurrency: PropTypes.string,
+    convertedCurrency: PropTypes.string,
+    gasLoadingError: PropTypes.bool,
+    gasTotal: PropTypes.string,
+    onReset: PropTypes.func,
+  };
+
+  static contextTypes = {
+    t: PropTypes.func,
+  };
+
+  render () {
+    const { gasTotal, gasLoadingError, onReset } = this.props
+
+    return (
+      <div className="send-v2__gas-fee-display">
+        {gasTotal
+          ? (
+            <div className="currency-display">
+              <UserPreferencedCurrencyDisplay
+                value={gasTotal}
+                type={PRIMARY}
+              />
+              <UserPreferencedCurrencyDisplay
+                className="currency-display__converted-value"
+                value={gasTotal}
+                type={SECONDARY}
+              />
+            </div>
+          )
+          : gasLoadingError
+            ? <div className="currency-display.currency-display--message">
+                {this.context.t('setGasPrice')}
+              </div>
+            : <div className="currency-display">
+                {this.context.t('loading')}
+              </div>
+        }
+        <button
+          className="gas-fee-reset"
+          onClick={onReset}
+        >
+          { this.context.t('reset') }
+        </button>
+      </div>
+    )
+  }
+}