Add support for My Maps maps in Chrome OS Drive integration.

By this support, My Maps maps shown in Drive folder have correct icon, file-type description, and file extension.

BUG=397029
TEST=Manually create a form in drive.google.com and see it appears with an icon in Files.app.

Review URL: https://codereview.chromium.org/693843002

Cr-Commit-Position: refs/heads/master@{#302593}

chrome/app/chromeos_strings.grdp

@@ -842,6 +842,9 @@ Press any key to continue exploring.
   <message name="IDS_FILE_BROWSER_GFORM_DOCUMENT_FILE_TYPE" desc="Google form file type">
     Google form
   </message>
+  <message name="IDS_FILE_BROWSER_GMAP_DOCUMENT_FILE_TYPE" desc="Google map file type">
+    Google map
+  </message>
   <message name="IDS_FILE_BROWSER_GLINK_DOCUMENT_FILE_TYPE" desc="Google Drive link file type">
     Google Drive link
   </message>

chrome/app/theme/theme_resources.grd

@@ -280,6 +280,8 @@
         <structure type="chrome_scaled_image" name="IDR_FILETYPE_GENERIC_WHITE" file="cros/file_types/generic_white.png" />
         <structure type="chrome_scaled_image" name="IDR_FILETYPE_GLINK" file="cros/file_types/glink.png" />
         <structure type="chrome_scaled_image" name="IDR_FILETYPE_GLINK_WHITE" file="cros/file_types/glink_white.png" />
+        <structure type="chrome_scaled_image" name="IDR_FILETYPE_GMAP" file="cros/file_types/gmap.png" />
+        <structure type="chrome_scaled_image" name="IDR_FILETYPE_GMAP_WHITE" file="cros/file_types/gmap_white.png" />
         <structure type="chrome_scaled_image" name="IDR_FILETYPE_GSHEET" file="cros/file_types/gsheet.png" />
         <structure type="chrome_scaled_image" name="IDR_FILETYPE_GSHEET_WHITE" file="cros/file_types/gsheet_white.png" />
         <structure type="chrome_scaled_image" name="IDR_FILETYPE_GSLIDES" file="cros/file_types/gslides.png" />

chrome/browser/chromeos/extensions/file_manager/private_api_strings.cc

@@ -429,6 +429,8 @@ bool FileManagerPrivateGetStringsFunction::RunSync() {
              IDS_FILE_BROWSER_GTABLE_DOCUMENT_FILE_TYPE);
   SET_STRING("GFORM_DOCUMENT_FILE_TYPE",
              IDS_FILE_BROWSER_GFORM_DOCUMENT_FILE_TYPE);
+  SET_STRING("GMAP_DOCUMENT_FILE_TYPE",
+             IDS_FILE_BROWSER_GMAP_DOCUMENT_FILE_TYPE);
   SET_STRING("GLINK_DOCUMENT_FILE_TYPE",
              IDS_FILE_BROWSER_GLINK_DOCUMENT_FILE_TYPE);
 

chrome/browser/drive/drive_api_util.cc

@@ -36,7 +36,8 @@ const HostedDocumentKind kHostedDocumentKinds[] = {
     {kGooglePresentationMimeType, ".gslides"},
     {kGoogleDrawingMimeType,      ".gdraw"},
     {kGoogleTableMimeType,        ".gtable"},
-    {kGoogleFormMimeType,         ".gform"}
+    {kGoogleFormMimeType,         ".gform"},
+    {kGoogleMapMimeType,          ".gmaps"},
 };
 
 const char kUnknownHostedDocumentExtension[] = ".glink";

chrome/browser/drive/drive_api_util.h

@@ -39,6 +39,7 @@ const char kGoogleSpreadsheetMimeType[] =
     "application/vnd.google-apps.spreadsheet";
 const char kGoogleTableMimeType[] = "application/vnd.google-apps.table";
 const char kGoogleFormMimeType[] = "application/vnd.google-apps.form";
+const char kGoogleMapMimeType[] = "application/vnd.google-apps.map";
 const char kDriveFolderMimeType[] = "application/vnd.google-apps.folder";
 
 // Escapes ' to \' in the |str|. This is designed to use for string value of

chrome/browser/drive/drive_api_util_unittest.cc

@@ -177,6 +177,8 @@ TEST(DriveAPIUtilTest, HasHostedDocumentExtension) {
       HasHostedDocumentExtension(base::FilePath::FromUTF8Unsafe("xx.gtable")));
   EXPECT_TRUE(
       HasHostedDocumentExtension(base::FilePath::FromUTF8Unsafe("xx.gform")));
+  EXPECT_TRUE(
+      HasHostedDocumentExtension(base::FilePath::FromUTF8Unsafe("xx.gmaps")));
   EXPECT_TRUE(
       HasHostedDocumentExtension(base::FilePath::FromUTF8Unsafe("xx.glink")));
 
@@ -186,6 +188,8 @@ TEST(DriveAPIUtilTest, HasHostedDocumentExtension) {
       HasHostedDocumentExtension(base::FilePath::FromUTF8Unsafe("xx.docx")));
   EXPECT_FALSE(
       HasHostedDocumentExtension(base::FilePath::FromUTF8Unsafe("xx.jpg")));
+  EXPECT_FALSE(
+      HasHostedDocumentExtension(base::FilePath::FromUTF8Unsafe("xx.gmap")));
 }
 
 }  // namespace util

ui/file_manager/file_manager/foreground/css/file_types.css

@@ -202,6 +202,20 @@ list.autocomplete-suggestions [selected] [file-type-icon='gform'] {
       url('chrome://theme/IDR_FILETYPE_FORM_WHITE@2x') 2x);
 }
 
+[file-type-icon='gmap'] {
+  background-image: -webkit-image-set(
+      url('chrome://theme/IDR_FILETYPE_GMAP') 1x,
+      url('chrome://theme/IDR_FILETYPE_GMAP@2x') 2x);
+}
+
+tree:focus .tree-item[selected] > .tree-row > [file-type-icon='gmap'],
+list:focus [selected] [file-type-icon='gmap'],
+list.autocomplete-suggestions [selected] [file-type-icon='gmap'] {
+  background-image: -webkit-image-set(
+      url('chrome://theme/IDR_FILETYPE_GMAP_WHITE') 1x,
+      url('chrome://theme/IDR_FILETYPE_GMAP_WHITE@2x') 2x);
+}
+
 [file-type-icon='image'] {
   background-image: -webkit-image-set(
       url('chrome://theme/IDR_FILETYPE_IMAGE') 1x,

ui/file_manager/file_manager/foreground/js/file_type.js

@@ -155,6 +155,12 @@ FileType.types = [
     type: 'hosted', icon: 'gform', name: 'GFORM_DOCUMENT_FILE_TYPE',
     subtype: 'form', pattern: /\.gform$/i
   },
+  {
+    // We use extension ".gmaps" to avoid conflict, but use singular form
+    // (gmap/map) in other parts to be consistent with other file type.
+    type: 'hosted', icon: 'gmap', name: 'GMAP_DOCUMENT_FILE_TYPE',
+    subtype: 'map', pattern: /\.gmaps$/i
+  },
 
   // Others
   {

ui/file_manager/file_manager/manifest.json

@@ -90,6 +90,7 @@
         "filesystem:*.gdraw",
         "filesystem:*.gtable",
         "filesystem:*.gform",
+        "filesystem:*.gmaps",
         "filesystem:*.glink"
       ]
     },