Add signal strength indicator icon to WebBluetooth chooser on Mac

chrome/browser/ui/cocoa/chooser_content_view_cocoa.h

Index: chrome/browser/ui/cocoa/chooser_content_view_cocoa.h
diff --git a/chrome/browser/ui/cocoa/chooser_content_view_cocoa.h b/chrome/browser/ui/cocoa/chooser_content_view_cocoa.h
index 42f09fb8f4ff6dcc3453e457b6c8af186a8bbce7..c3d39bac3d305acf571c7b0c7cf0b8ff9163b53d 100644
--- a/chrome/browser/ui/cocoa/chooser_content_view_cocoa.h
+++ b/chrome/browser/ui/cocoa/chooser_content_view_cocoa.h
@@ -70,6 +70,12 @@ class ChooserContentViewController;
 // Creates the title for the chooser.
 - (base::scoped_nsobject<NSTextField>)createChooserTitle:(NSString*)title;
 
+// Creates a table row view for the chooser.
+- (NSView*)createTableRowView:(NSInteger)rowIndex;

[Robert Sesek, 2016/08/24 18:47:37]

"create" named methods should return strong references (scoped_nsobject) by
convention.

[juncai, 2016/08/25 00:59:17]

Done.

+
+// The height of a table row view.
+- (CGFloat)tableRowViewHeight:(NSInteger)row;
+
 // Creates a button with |title|.
 - (base::scoped_nsobject<NSButton>)createButtonWithTitle:(NSString*)title;
 
@@ -152,6 +158,12 @@ class ChooserContentViewController;
 // Called when the "Get help" button is pressed.
 - (void)onHelpPressed:(id)sender;
 
+// Gets the image from table row view. For testing only.
+- (NSImageView*)tableRowViewImage:(NSInteger)row;
+
+// Gets the text from table row view. For testing only.
+- (NSTextField*)tableRowViewText:(NSInteger)row;
+
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_CHOOSER_CONTENT_VIEW_COCOA_H_