Send all of the icon URLs listed in Web Manifest to WebAPK Server.

chrome/browser/android/webapk/webapk_installer.cc

Index: chrome/browser/android/webapk/webapk_installer.cc
diff --git a/chrome/browser/android/webapk/webapk_installer.cc b/chrome/browser/android/webapk/webapk_installer.cc
index 4bb94ba61ca12602c6d366c8835ed3e59f1b6f7a..bb9e030916de819706c9df62fcac2f8e18429aad 100644
--- a/chrome/browser/android/webapk/webapk_installer.cc
+++ b/chrome/browser/android/webapk/webapk_installer.cc
@@ -122,6 +122,11 @@ std::unique_ptr<webapk::WebApk> BuildWebApkProtoInBackground(
   webapk->set_requester_application_version(version_info::GetVersionNumber());
   webapk->set_android_abi(getCurrentAbi());
 
+  // TODO(hanxi): crbug.com/665078. Add a flag in WebAPK's proto to indicate
+  // that the Web Manifest data in the proto might be stale.
+  if (shortcut_icon_murmur2_hash.empty())
+    return webapk;
+
   webapk::WebAppManifest* web_app_manifest = webapk->mutable_manifest();
   web_app_manifest->set_name(base::UTF16ToUTF8(shortcut_info.name));
   web_app_manifest->set_short_name(
@@ -138,12 +143,20 @@ std::unique_ptr<webapk::WebApk> BuildWebApkProtoInBackground(
 
   std::string* scope = web_app_manifest->add_scopes();
   scope->assign(GetScope(shortcut_info).spec());
-  webapk::Image* image = web_app_manifest->add_icons();
-  image->set_src(shortcut_info.icon_url.spec());
-  image->set_hash(shortcut_icon_murmur2_hash);
+
+  webapk::Image* best_image = web_app_manifest->add_icons();
+  best_image->set_src(shortcut_info.best_icon_url.spec());
+  best_image->set_hash(shortcut_icon_murmur2_hash);
   std::vector<unsigned char> png_bytes;
   gfx::PNGCodec::EncodeBGRASkBitmap(shortcut_icon, false, &png_bytes);
-  image->set_image_data(&png_bytes.front(), png_bytes.size());
+  best_image->set_image_data(&png_bytes.front(), png_bytes.size());
+
+  for (const std::string& icon_url : shortcut_info.icon_urls) {
+    if (icon_url == shortcut_info.best_icon_url.spec())
+      continue;
+    webapk::Image* image = web_app_manifest->add_icons();
+    image->set_src(icon_url);
+  }
 
   return webapk;
 }
@@ -333,7 +346,7 @@ void WebApkInstaller::OnURLFetchComplete(const net::URLFetcher* source) {
 
 void WebApkInstaller::DownloadAppIconAndComputeMurmur2Hash() {
   // Safeguard. WebApkIconHasher crashes if asked to fetch an invalid URL.
-  if (!shortcut_info_.icon_url.is_valid()) {
+  if (!shortcut_info_.best_icon_url.is_valid()) {
     OnFailure();
     return;
   }
@@ -344,7 +357,7 @@ void WebApkInstaller::DownloadAppIconAndComputeMurmur2Hash() {
 
   icon_hasher_.reset(new WebApkIconHasher());
   icon_hasher_->DownloadAndComputeMurmur2Hash(
-      request_context_getter_, shortcut_info_.icon_url,
+      request_context_getter_, shortcut_info_.best_icon_url,
       base::Bind(&WebApkInstaller::OnGotIconMurmur2Hash,
                  weak_ptr_factory_.GetWeakPtr()));
 }