[Sharesheet] Provide translation for title label.

This CL adds a strings file for Sharesheet UI. It also changes the
target display label to be multi-line if there is no secondary
label.

Bug: 1097623
Change-Id: Id75f9fa0de851de58707fa6b730098d472038599
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2395135Reviewed-by: Avi Drissman <avi@chromium.org>
Reviewed-by: Ken Rockot <rockot@google.com>
Reviewed-by: Dominick Ng <dominickn@chromium.org>
Commit-Queue: Melissa Zhang <melzhang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#805163}

chrome/app/OWNERS

@@ -27,6 +27,8 @@ per-file media_router_strings.grdp=file://chrome/browser/media/router/OWNERS
 
 per-file nearby_share_strings.grdp=file://chrome/browser/nearby_sharing/OWNERS
 
+per-file sharesheet_strings.grdp=file://chrome/browser/sharesheet/OWNERS
+
 per-file welcome_strings.grdp=file://chrome/browser/ui/webui/welcome/OWNERS
 
 per-file printing_strings.grdp=file://printing/OWNERS

chrome/app/generated_resources.grd

@@ -291,6 +291,7 @@ are declared in tools/grit/grit_rule.gni.
         <part file="chromeos_strings.grdp" />
         <part file="os_settings_strings.grdp" />
         <part file="os_settings_search_tag_strings.grdp" />
+        <part file="sharesheet_strings.grdp" />
       </if>
 
       <!-- Settings specific strings -->

chrome/app/sharesheet_strings.grdp

+<?xml version="1.0" encoding="utf-8"?>
+<!-- Sharesheet specific strings (included from generated_resources.grd). -->
+<grit-part>
+  <!-- Common strings -->
+  <message name="IDS_SHARESHEET_TITLE_LABEL" desc="The label to be shown as the title of the sharesheet bubble when a user clicks on the share button.">
+    Share
+  </message>
+</grit-part>

chrome/app/sharesheet_strings_grdp/IDS_SHARESHEET_TITLE_LABEL.png.sha1

+7fd2644cc63074887c4dbb2ffa0933cd9272c66d
\ No newline at end of file

chrome/app/sharesheet_strings_grdp/OWNERS

+file://chrome/browser/sharesheet/OWNERS
+
+# COMPONENT: Platform>Apps>Foundation

chrome/app/sharesheet_strings_grdp/README.md

+This directory of image SHA-1 hashes is used to improve translations of UI
+strings through context images for translators.
+
+See also: [Chrome Translation Screenshots - Instructions & FAQ
+](https://docs.google.com/document/d/1nwYWDny20icMSpLUuV_LgrlbWKrYpbXOERUIZNH636o/edit#heading=h.2t7lc4cxo2au)

chrome/browser/ui/views/sharesheet_bubble_view.cc

@@ -8,14 +8,15 @@
 #include <utility>
 
 #include "base/strings/string16.h"
-#include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sharesheet/sharesheet_metrics.h"
 #include "chrome/browser/sharesheet/sharesheet_service_delegate.h"
+#include "chrome/grit/generated_resources.h"
 #include "content/public/browser/web_contents.h"
 #include "extensions/browser/app_window/app_window.h"
 #include "extensions/browser/app_window/app_window_registry.h"
 #include "third_party/skia/include/core/SkColor.h"
+#include "ui/base/l10n/l10n_util.h"
 #include "ui/gfx/color_palette.h"
 #include "ui/gfx/font_list.h"
 #include "ui/gfx/geometry/insets.h"
@@ -54,7 +55,6 @@ constexpr int kShortSpacing = 20;
 constexpr int kSpacing = 24;
 constexpr int kTitleLineHeight = 24;
 
-constexpr char kTitle[] = "Share";
 constexpr char kTitleFont[] = "GoogleSans, Medium, 16px";
 constexpr char kButtonLabelFont[] = "Roboto, Medium, 14px";
 constexpr char kButtonSecondaryLabelFont[] = "Roboto, Regular, 13px";
@@ -109,6 +109,10 @@ class ShareSheetTargetButton : public views::Button {
       secondary_label->SetFontList(gfx::FontList(kButtonSecondaryLabelFont));
       secondary_label->SetEnabledColor(kShareTargetSecondaryTitleColor);
       SetLabelProperties(secondary_label);
+    } else {
+      // If there is no secondary label, let the initial label stretch across
+      // multiple lines.
+      label->SetMultiLine(true);
     }
 
     AddChildView(std::move(label_view));
@@ -184,7 +188,7 @@ void SharesheetBubbleView::ShowBubble(std::vector<TargetInfo> targets,
   main_layout->StartRow(views::GridLayout::kFixedSize, COLUMN_SET_ID_TITLE,
                         kTitleLineHeight);
   auto* title = main_layout->AddView(std::make_unique<views::Label>(
-      base::UTF8ToUTF16(base::StringPiece(kTitle))));
+      l10n_util::GetStringUTF16(IDS_SHARESHEET_TITLE_LABEL)));
   title->SetFontList(gfx::FontList(kTitleFont));
   title->SetLineHeight(kTitleLineHeight);
   title->SetEnabledColor(kShareTitleColor);