Add Shared Clipbpard proto.

Bug: 991520
Change-Id: Ib44d086aecfa6739ec961de1f5479f95a1fbe259
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1741923
Commit-Queue: Yasmin Molazadeh <yasmo@chromium.org>
Reviewed-by: Michael van Ouwerkerk <mvanouwerkerk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#685196}

chrome/browser/sharing/proto/BUILD.gn

@@ -14,6 +14,7 @@ group("proto_lite") {
 proto_library("proto") {
   sources = [
     "click_to_call_message.proto",
+    "shared_clipboard_message.proto",
     "sharing_message.proto",
   ]
 }

chrome/browser/sharing/proto/shared_clipboard_message.proto

+// Copyright 2019 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.
+
+syntax = "proto3";
+
+package chrome_browser_sharing;
+
+// Required in Chrome.
+option optimize_for = LITE_RUNTIME;
+
+// Message to pass clipboard text to shared clipboard feature.
+message SharedClipboardMessage {
+  // required
+  string text = 1;
+}

chrome/browser/sharing/proto/sharing_message.proto

@@ -5,6 +5,7 @@
 syntax = "proto3";
 
 import "click_to_call_message.proto";
+import "shared_clipboard_message.proto";
 
 package chrome_browser_sharing;
 
@@ -21,6 +22,7 @@ message SharingMessage {
     PingMessage ping_message = 2;
     AckMessage ack_message = 3;
     ClickToCallMessage click_to_call_message = 4;
+    SharedClipboardMessage shared_clipboard_message = 5;
   }
 }
 

chrome/browser/sharing/sharing_metrics.cc

@@ -17,7 +17,8 @@ enum class SharingMessageType {
   kPingMessage = 1,
   kAckMessage = 2,
   kClickToCallMessage = 3,
-  kMaxValue = kClickToCallMessage,
+  kSharedClipboardMessage = 4,
+  kMaxValue = kSharedClipboardMessage,
 };
 
 SharingMessageType PayloadCaseToMessageType(
@@ -31,6 +32,8 @@ SharingMessageType PayloadCaseToMessageType(
       return SharingMessageType::kAckMessage;
     case chrome_browser_sharing::SharingMessage::kClickToCallMessage:
       return SharingMessageType::kClickToCallMessage;
+    case chrome_browser_sharing::SharingMessage::kSharedClipboardMessage:
+      return SharingMessageType::kSharedClipboardMessage;
   }
 }
 

tools/metrics/histograms/enums.xml

@@ -53864,6 +53864,7 @@ Called by update_net_trust_anchors.py.-->
   <int value="1" label="Ping"/>
   <int value="2" label="Ack"/>
   <int value="3" label="ClickToCall"/>
+  <int value="4" label="SharedClipboard"/>
 </enum>
 
 <enum name="SharingVapidKeyCreationResult">