[Mac] Show the page info window after clicking the security icon in the URL bar

chrome/browser/cocoa/autocomplete_text_field.mm

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/cocoa/autocomplete_text_field.h"
 
 #include "base/logging.h"
 #include "chrome/browser/cocoa/autocomplete_text_field_cell.h"
 
 @implementation AutocompleteTextField
@@ skipping 76 matching lines @@
 // click-drag selection machinery.
 //
 // This code does the same thing for cases where the click was in the
 // decoration area.  This allows the user to click-drag starting from
 // a decoration area and get the expected selection behaviour,
 // likewise for multiple clicks in those areas.
 - (void)mouseDown:(NSEvent *)theEvent {
   const NSPoint locationInWindow = [theEvent locationInWindow];
   const NSPoint location = [self convertPoint:locationInWindow fromView:nil];
 
-  const NSRect textFrame = [[self cell] textFrameForFrame:[self bounds]];
+  AutocompleteTextFieldCell* cell = [self cell];
+  const NSRect textFrame([cell textFrameForFrame:[self bounds]]);
 
   // A version of the textFrame which extends across the field's
   // entire width.
   const NSRect bounds([self bounds]);
   const NSRect fullFrame(NSMakeRect(bounds.origin.x, textFrame.origin.y,
                                     bounds.size.width, textFrame.size.height));
 
   // If the mouse is in the editing area, or above or below where the
   // editing area would be if we didn't add decorations, forward to
   // NSTextField -mouseDown: because it does the right thing.  The
@@ skipping 17 matching lines @@
       NSEvent* currentEvent = [NSApp currentEvent];
       if ([currentEvent type] == NSLeftMouseUp &&
           ![editor selectedRange].length) {
         [editor selectAll:nil];
       }
     }
 
     return;
   }
 
+  // Check to see if the user clicked the hint icon in the cell. If so, we need
+  // to display the page info window.
+  const NSRect hintIconFrame = [cell hintImageFrameForFrame:[self bounds]];
+  if (NSMouseInRect(location, hintIconFrame, [self isFlipped])) {
+    observer_->OnSecurityIconClicked();
+    return;
+  }
+
   NSText* editor = [self currentEditor];
 
   // We should only be here if we accepted first-responder status and
   // have a field editor.  If one of these fires, it means some
   // assumptions are being broken.
   DCHECK(editor != nil);
   DCHECK([editor isDescendantOf:self]);
 
   // -becomeFirstResponder does a select-all, which we don't want
   // because it can lead to a dragged-text situation.  Clear the
   // selection (any valid empty selection will do).
   [editor setSelectedRange:NSMakeRange(0, 0)];
 
   // If the event is to the right of the editing area, scroll the
   // field editor to the end of the content so that the selection
   // doesn't initiate from somewhere in the middle of the text.
   if (location.x > NSMaxX(textFrame)) {
     [editor scrollRangeToVisible:NSMakeRange([[self stringValue] length], 0)];
   }
 
   [editor mouseDown:theEvent];
 }
 
 @end