Implement input type=color UI (mac part)

content/browser/renderer_host/render_widget_host_view_mac.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.
 
 #include "content/browser/renderer_host/render_widget_host_view_mac.h"
 
 #include <QuartzCore/QuartzCore.h>
 
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "base/mac/mac_util.h"
 #include "base/mac/scoped_cftyperef.h"
 #import "base/mac/scoped_nsautorelease_pool.h"
 #import "base/memory/scoped_nsobject.h"
 #include "base/metrics/histogram.h"
 #include "base/string_util.h"
 #include "base/sys_info.h"
 #include "base/sys_string_conversions.h"
 #include "base/utf_string_conversions.h"
+#import "chrome/browser/ui/cocoa/color_utils.h"
 #import "content/browser/accessibility/browser_accessibility_cocoa.h"
 #include "content/browser/gpu/gpu_process_host.h"
 #include "content/browser/gpu/gpu_process_host_ui_shim.h"
 #include "content/browser/mac/closure_blocks_leopard_compat.h"
 #include "content/browser/plugin_process_host.h"
 #import "content/browser/renderer_host/accelerated_plugin_view_mac.h"
 #include "content/browser/renderer_host/backing_store_mac.h"
 #include "content/browser/renderer_host/render_process_host.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #import "content/browser/renderer_host/render_widget_host_view_mac_delegate.h"
@@ skipping 82 matching lines @@
 @end
 
 // NSEvent subtype for scroll gestures events.
 static const short kIOHIDEventTypeScroll = 6;
 
 namespace {
 
 // Maximum number of characters we allow in a tooltip.
 const size_t kMaxTooltipLength = 1024;
 
-// TODO(suzhe): Upstream this function.
-WebKit::WebColor WebColorFromNSColor(NSColor *color) {
-  CGFloat r, g, b, a;
-  [color getRed:&r green:&g blue:&b alpha:&a];
-
-  return
-      std::max(0, std::min(static_cast<int>(lroundf(255.0f * a)), 255)) << 24 |
-      std::max(0, std::min(static_cast<int>(lroundf(255.0f * r)), 255)) << 16 |
-      std::max(0, std::min(static_cast<int>(lroundf(255.0f * g)), 255)) << 8  |
-      std::max(0, std::min(static_cast<int>(lroundf(255.0f * b)), 255));
-}
-
 // Extract underline information from an attributed string. Mostly copied from
 // third_party/WebKit/Source/WebKit/mac/WebView/WebHTMLView.mm
 void ExtractUnderlines(
     NSAttributedString* string,
     std::vector<WebKit::WebCompositionUnderline>* underlines) {
   int length = [[string string] length];
   int i = 0;
   while (i < length) {
     NSRange range;
     NSDictionary* attrs = [string attributesAtIndex:i
@@ skipping 2603 matching lines @@
   if (!string) return NO;
 
   // If the user is currently using an IME, confirm the IME input,
   // and then insert the text from the service, the same as TextEdit and Safari.
   [self confirmComposition];
   [self insertText:string];
   return YES;
 }
 
 @end