Add an ability for resize in gallery.

chrome/app/chromeos_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <!-- ChromeOS-specific strings (included from generated_resources.grd).
      Everything in this file is wrapped in <if expr="chromeos">. -->
 <grit-part>
   <message name="IDS_EMPTY_STRING" desc="Empty string, exist only to make code generic. No translation required.">
   </message>
   <!-- Idle logout dialog for retail mode -->
   <message name="IDS_IDLE_LOGOUT_TITLE" desc="Dialog title for the idle logout dialog. Used in retail mode only.">
     Are you still there?
   </message>
@@ skipping 328 matching lines @@
   </message>
   <message name="IDS_FILE_BROWSER_GALLERY_ASPECT_RATIO_6_4" desc="Button label to fix aspect to 6:4 ratio when cropping.">
     6x4
   </message>
   <message name="IDS_FILE_BROWSER_GALLERY_ASPECT_RATIO_7_5" desc="Button label to fix aspect to 7:5 ratio when cropping.">
     7x5
   </message>
   <message name="IDS_FILE_BROWSER_GALLERY_ASPECT_RATIO_16_9" desc="Button label to fix aspect to 16:9 ratio when cropping.">
     16x9
   </message>
+  <message name="IDS_FILE_BROWSER_GALLERY_RESIZE" desc="In the Gallery, the title on the button that resize a photo.">
+    Resize
+  </message>
+  <message name="IDS_FILE_BROWSER_GALLERY_FIXRATIO" desc="Togglable Button to fix the ratio of width/height input field when resizing.">
+    Fix ratio
+  </message>
+  <message name="IDS_FILE_BROWSER_GALLERY_HEIGHT" desc="Input field to set the new size for height.">
+    Height
+  </message>
+  <message name="IDS_FILE_BROWSER_GALLERY_INVALIDVALUE" desc="In the Gallery, the message informing that the input value is invalid.">
+    Input value is invalid.
+  </message>
+  <message name="IDS_FILE_BROWSER_GALLERY_WIDTH" desc="Input field to set the new size for width.">
+    Width
+  </message>
   <message name="IDS_FILE_BROWSER_GALLERY_EXPOSURE" desc="In the Gallery, the title on the button that applies the Brightness/Contrast filter to a photo.">
     Brightness
   </message>
   <message name="IDS_FILE_BROWSER_GALLERY_BRIGHTNESS" desc="In the Gallery, the text next to the Brightness slider.">
     Brightness
   </message>
   <message name="IDS_FILE_BROWSER_GALLERY_CONTRAST" desc="In the Gallery, the text next to the Contrast slider.">
     Contrast
   </message>
   <message name="IDS_FILE_BROWSER_GALLERY_ROTATE_LEFT" desc="In the Gallery, the title on the button that rotates the photo 90 degrees to the left (counterclockwise).">
@@ skipping 5956 matching lines @@
   <message name="IDS_LOW_DISK_NOTIFICATION_BUTTON" desc="Button on the low disk notification to open storage management.">
     Manage storage
   </message>
   <message name="IDS_FLAGS_ENABLE_EHV_INPUT_NAME" desc="Name of the about: flag for enabling emoji, handwriting and voice input on opt-in IME menu.">
     Emoji, handwriting and voice input on opt-in IME menu
     </message>
   <message name="IDS_FLAGS_ENABLE_EHV_INPUT_DESCRIPTION" desc="Description of the about: flag enabling emoji, handwriting and voice input on opt-in IME menu.">
     Enable access to emoji, handwriting and voice input form opt-in IME menu.
   </message>
 </grit-part>