[Mac] Update location bar colors when change themes in Material Design.

chrome/browser/ui/cocoa/location_bar/autocomplete_text_field.mm

 // Copyright (c) 2011 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.
 
 #import "chrome/browser/ui/cocoa/location_bar/autocomplete_text_field.h"
 
 #include "base/logging.h"
 #import "base/mac/mac_util.h"
 #import "base/mac/sdk_forward_declarations.h"
 #include "chrome/browser/themes/theme_service.h"
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
 #import "chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_cell.h"
 #import "chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_editor.h"
 #import "chrome/browser/ui/cocoa/location_bar/location_bar_decoration.h"
+#include "chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.h"
 #import "chrome/browser/ui/cocoa/toolbar/toolbar_controller.h"
 #import "chrome/browser/ui/cocoa/url_drop_target.h"
 #import "chrome/browser/ui/cocoa/view_id_util.h"
 #import "ui/base/cocoa/nsview_additions.h"
 #include "ui/base/material_design/material_design_controller.h"
 #include "ui/gfx/scoped_ns_graphics_context_save_gstate_mac.h"
 
 namespace {
 const CGFloat kAnimationDuration = 0.2;
 }
@@ skipping 344 matching lines @@
 }
 
 - (void)windowDidChangeScreen {
   // Inform the AutocompleteTextFieldCell's of the coordinate system line
   // width needed to draw a single-pixel line. This value changes as we move
   // between Retina and non-Retina displays.
   [[self cell] setSinglePixelLineWidth:[self cr_lineWidth]];
   [self setNeedsDisplay];
 }
 
+- (void)updateColorsToMatchTheme {
+  if (![[self window] inIncognitoMode]) {
+    return;
+  }
+
+  // Invert the textfield's colors when Material Design and Incognito and not
+  // a custom theme.
+  bool inDarkMode = [[self window] inIncognitoModeWithSystemTheme];
+  [self setBackgroundColor:
+      inDarkMode ? [NSColor colorWithCalibratedWhite:115 / 255. alpha:1]
+                 : [NSColor whiteColor]];
+  [self setTextColor:OmniboxViewMac::BaseTextColor(inDarkMode)];
+}
+
 - (void)viewDidMoveToWindow {
   if (![self window]) {
     return;
   }
 
   // Allow the ToolbarController to take action upon the
   // AutocompleteTextField being added to the window.
   if (ui::MaterialDesignController::IsModeMaterial()) {
     BrowserWindowController* browserWindowController =
         [BrowserWindowController browserWindowControllerForView:self];
     [[browserWindowController toolbarController] locationBarWasAddedToWindow];
-  }
 
-  // Invert the textfield's colors when Material Design and Incognito and not
-  // a custom theme.
-  if (ui::MaterialDesignController::IsModeMaterial() &&
-      [[self window] inIncognitoModeWithSystemTheme]) {
-    [self setTextColor:[NSColor whiteColor]];
-    [self setBackgroundColor:
-        [NSColor colorWithCalibratedWhite:115 / 255. alpha:1]];
+    [self updateColorsToMatchTheme];
   }
 
   NSNotificationCenter* nc = [NSNotificationCenter defaultCenter];
   [nc addObserver:self
          selector:@selector(windowDidResignKey:)
              name:NSWindowDidResignKeyNotification
            object:[self window]];
   [nc addObserver:self
          selector:@selector(windowDidResize:)
              name:NSWindowDidResizeNotification
@@ skipping 112 matching lines @@
 
 - (NSMenu*)decorationMenuForEvent:(NSEvent*)event {
   AutocompleteTextFieldCell* cell = [self cell];
   return [cell decorationMenuForEvent:event inRect:[self bounds] ofView:self];
 }
 
 - (ViewID)viewID {
   return VIEW_ID_OMNIBOX;
 }
 
+// ThemedWindowDrawing implementation.
+
+- (void)windowDidChangeTheme {
+  if (!ui::MaterialDesignController::IsModeMaterial()) {
+    return;
+  }
+
+  [self updateColorsToMatchTheme];
+}
+
+- (void)windowDidChangeActive {
+}
+
 @end
 
 namespace autocomplete_text_field {
 
 void DrawGrayTextAutocompletion(NSAttributedString* mainText,
                                 NSString* suggestText,
                                 NSColor* suggestColor,
                                 NSView* controlView,
                                 NSRect frame) {
   if (![suggestText length])
@@ skipping 20 matching lines @@
                                   NSMinY(frame),
                                   suggestWidth,
                                   NSHeight(frame));
 
   gfx::ScopedNSGraphicsContextSaveGState saveGState;
   NSRectClip(suggestRect);
   [cell drawInteriorWithFrame:frame inView:controlView];
 }
 
 }  // namespace autocomplete_text_field