Update app info and install prompt UI to show retained devices.

chrome/browser/ui/cocoa/extensions/extension_install_view_controller.mm

Index: chrome/browser/ui/cocoa/extensions/extension_install_view_controller.mm
diff --git a/chrome/browser/ui/cocoa/extensions/extension_install_view_controller.mm b/chrome/browser/ui/cocoa/extensions/extension_install_view_controller.mm
index 90cac175c2a86c88dd4df6e8d53484feeaca592a..2a42695b18f0c385c756ed3bf3cf938760b7d8eb 100644
--- a/chrome/browser/ui/cocoa/extensions/extension_install_view_controller.mm
+++ b/chrome/browser/ui/cocoa/extensions/extension_install_view_controller.mm
@@ -191,7 +191,8 @@ bool HasAttribute(id item, CellAttributesMask attributeMask) {
   } else if (prompt->has_webstore_data()) {
     nibName = @"ExtensionInstallPromptWebstoreData";
   } else if (!prompt->ShouldShowPermissions() &&
-             prompt->GetRetainedFileCount() == 0) {
+             prompt->GetRetainedFileCount() == 0 &&
+             prompt->GetRetainedDeviceCount() == 0) {
     nibName = @"ExtensionInstallPromptNoWarnings";
   } else {
     nibName = @"ExtensionInstallPrompt";
@@ -308,8 +309,8 @@ bool HasAttribute(id item, CellAttributesMask attributeMask) {
     OffsetControlVerticallyToFitContent(itemsField_, &totalOffset);
   }
 
-  // If there are any warnings or retained files, then we have to do
-  // some special layout.
+  // If there are any warnings, retained devices or retained files, then we
+  // have to do some special layout.
   if (prompt_->ShouldShowPermissions() || prompt_->GetRetainedFileCount() > 0) {
     NSSize spacing = [outlineView_ intercellSpacing];
     spacing.width += 2;
@@ -645,25 +646,50 @@ bool HasAttribute(id item, CellAttributesMask attributeMask) {
 
     if (prompt.GetIsShowingDetails(type, 0)) {
       for (size_t i = 0; i < prompt.GetRetainedFileCount(); ++i) {
-        [children addObject:
-            [self buildItemWithTitle:SysUTF16ToNSString(
-                prompt.GetRetainedFile(i))
-                      cellAttributes:kUseBullet
-                            children:nil]];
+        NSString* title = SysUTF16ToNSString(prompt.GetRetainedFile(i));
+        [children addObject:[self buildItemWithTitle:title
+                                      cellAttributes:kUseBullet
+                                            children:nil]];
       }
     }
 
-    [warnings addObject:
-        [self buildItemWithTitle:SysUTF16ToNSString(
-            prompt.GetRetainedFilesHeading())
-                  cellAttributes:kBoldText | kAutoExpandCell | kNoExpandMarker
-                        children:children]];
+    NSString* title = SysUTF16ToNSString(prompt.GetRetainedFilesHeading());
+    [warnings addObject:[self buildItemWithTitle:title
+                                  cellAttributes:kBoldText | kAutoExpandCell |
+                                                 kNoExpandMarker
+                                        children:children]];
 
     // Add a row for the link.
     [warnings addObject:
         [self buildDetailToggleItem:type permissionsDetailIndex:0]];
   }
 
+  if (prompt.GetRetainedDeviceCount() > 0) {
+    type = ExtensionInstallPrompt::RETAINED_DEVICES_DETAILS;
+
+    NSMutableArray* children = [NSMutableArray array];
+
+    if (prompt.GetIsShowingDetails(type, 0)) {
+      for (size_t i = 0; i < prompt.GetRetainedDeviceCount(); ++i) {
+        NSString* title =
+            SysUTF16ToNSString(prompt.GetRetainedDeviceMessageString(i));
+        [children addObject:[self buildItemWithTitle:title
+                                      cellAttributes:kUseBullet
+                                            children:nil]];
+      }
+    }
+
+    NSString* title = SysUTF16ToNSString(prompt.GetRetainedDevicesHeading());
+    [warnings addObject:[self buildItemWithTitle:title
+                                  cellAttributes:kBoldText | kAutoExpandCell |
+                                                 kNoExpandMarker
+                                        children:children]];
+
+    // Add a row for the link.
+    [warnings
+        addObject:[self buildDetailToggleItem:type permissionsDetailIndex:0]];
+  }
+
   return warnings;
 }