Convert //content/browser from scoped_ptr to std::unique_ptr

content/browser/accessibility/accessibility_tree_formatter_mac.mm

 // Copyright (c) 2012 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/accessibility/accessibility_tree_formatter.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/files/file_path.h"
 #include "base/json/json_writer.h"
@@ skipping 16 matching lines @@
 
 const char* kPositionDictAttr = "position";
 const char* kXCoordDictAttr = "x";
 const char* kYCoordDictAttr = "y";
 const char* kSizeDictAttr = "size";
 const char* kWidthDictAttr = "width";
 const char* kHeightDictAttr = "height";
 const char* kRangeLocDictAttr = "loc";
 const char* kRangeLenDictAttr = "len";
 
-scoped_ptr<base::DictionaryValue> PopulatePosition(
+std::unique_ptr<base::DictionaryValue> PopulatePosition(
     const BrowserAccessibility& node) {
-  scoped_ptr<base::DictionaryValue> position(new base::DictionaryValue);
+  std::unique_ptr<base::DictionaryValue> position(new base::DictionaryValue);
   // The NSAccessibility position of an object is in global coordinates and
   // based on the lower-left corner of the object. To make this easier and less
   // confusing, convert it to local window coordinates using the top-left
   // corner when dumping the position.
   BrowserAccessibility* root = node.manager()->GetRootManager()->GetRoot();
   BrowserAccessibilityCocoa* cocoa_root = ToBrowserAccessibilityCocoa(root);
   NSPoint root_position = [[cocoa_root position] pointValue];
   NSSize root_size = [[cocoa_root size] sizeValue];
   int root_top = -static_cast<int>(root_position.y + root_size.height);
   int root_left = static_cast<int>(root_position.x);
 
   BrowserAccessibilityCocoa* cocoa_node =
       ToBrowserAccessibilityCocoa(const_cast<BrowserAccessibility*>(&node));
   NSPoint node_position = [[cocoa_node position] pointValue];
   NSSize node_size = [[cocoa_node size] sizeValue];
 
   position->SetInteger(kXCoordDictAttr,
                        static_cast<int>(node_position.x - root_left));
   position->SetInteger(kYCoordDictAttr,
       static_cast<int>(-node_position.y - node_size.height - root_top));
   return position;
 }
 
-scoped_ptr<base::DictionaryValue>
-PopulateSize(const BrowserAccessibilityCocoa* cocoa_node) {
-  scoped_ptr<base::DictionaryValue> size(new base::DictionaryValue);
+std::unique_ptr<base::DictionaryValue> PopulateSize(
+    const BrowserAccessibilityCocoa* cocoa_node) {
+  std::unique_ptr<base::DictionaryValue> size(new base::DictionaryValue);
   NSSize node_size = [[cocoa_node size] sizeValue];
   size->SetInteger(kHeightDictAttr, static_cast<int>(node_size.height));
   size->SetInteger(kWidthDictAttr, static_cast<int>(node_size.width));
   return size;
 }
 
-scoped_ptr<base::DictionaryValue> PopulateRange(NSRange range) {
-  scoped_ptr<base::DictionaryValue> rangeDict(new base::DictionaryValue);
+std::unique_ptr<base::DictionaryValue> PopulateRange(NSRange range) {
+  std::unique_ptr<base::DictionaryValue> rangeDict(new base::DictionaryValue);
   rangeDict->SetInteger(kRangeLocDictAttr, static_cast<int>(range.location));
   rangeDict->SetInteger(kRangeLenDictAttr, static_cast<int>(range.length));
   return rangeDict;
 }
 
 // Returns true if |value| is an NSValue containing a NSRange.
 bool IsRangeValue(id value) {
   if (![value isKindOfClass:[NSValue class]])
     return false;
   return 0 == strcmp([value objCType], @encode(NSRange));
 }
 
-scoped_ptr<base::Value> PopulateObject(id value);
+std::unique_ptr<base::Value> PopulateObject(id value);
 
-scoped_ptr<base::ListValue> PopulateArray(NSArray* array) {
-  scoped_ptr<base::ListValue> list(new base::ListValue);
+std::unique_ptr<base::ListValue> PopulateArray(NSArray* array) {
+  std::unique_ptr<base::ListValue> list(new base::ListValue);
   for (NSUInteger i = 0; i < [array count]; i++)
     list->Append(PopulateObject([array objectAtIndex:i]).release());
   return list;
 }
 
-scoped_ptr<base::StringValue> StringForBrowserAccessibility(
+std::unique_ptr<base::StringValue> StringForBrowserAccessibility(
     BrowserAccessibilityCocoa* obj) {
   NSMutableArray* tokens = [[NSMutableArray alloc] init];
 
   // Always include the role
   id role = [obj role];
   [tokens addObject:role];
 
   // If the role is "group", include the role description as well.
   id roleDescription = [obj roleDescription];
   if ([role isEqualToString:NSAccessibilityGroupRole] &&
       roleDescription != nil &&
       ![roleDescription isEqualToString:@""] &&
       ![roleDescription isEqualToString:@"group"]) {
     [tokens addObject:roleDescription];
   }
 
   // Include the description, title, or value - the first one not empty.
   id title = [obj title];
   id description = [obj description];
   id value = [obj value];
   if (description && ![description isEqual:@""]) {
     [tokens addObject:description];
   } else if (title && ![title isEqual:@""]) {
     [tokens addObject:title];
   } else if (value && ![value isEqual:@""]) {
     [tokens addObject:value];
   }
 
   NSString* result = [tokens componentsJoinedByString:@" "];
-  return scoped_ptr<base::StringValue>(
+  return std::unique_ptr<base::StringValue>(
       new base::StringValue(SysNSStringToUTF16(result)));
 }
 
-scoped_ptr<base::Value> PopulateObject(id value) {
+std::unique_ptr<base::Value> PopulateObject(id value) {
   if ([value isKindOfClass:[NSArray class]])
-    return scoped_ptr<base::Value>(PopulateArray((NSArray*) value));
+    return std::unique_ptr<base::Value>(PopulateArray((NSArray*)value));
   if (IsRangeValue(value))
-    return scoped_ptr<base::Value>(PopulateRange([value rangeValue]));
+    return std::unique_ptr<base::Value>(PopulateRange([value rangeValue]));
   if ([value isKindOfClass:[BrowserAccessibilityCocoa class]]) {
     std::string str;
     StringForBrowserAccessibility(value)->GetAsString(&str);
-    return scoped_ptr<base::Value>(StringForBrowserAccessibility(
-        (BrowserAccessibilityCocoa*) value));
+    return std::unique_ptr<base::Value>(
+        StringForBrowserAccessibility((BrowserAccessibilityCocoa*)value));
   }
 
-  return scoped_ptr<base::Value>(new base::StringValue(
+  return std::unique_ptr<base::Value>(new base::StringValue(
       SysNSStringToUTF16([NSString stringWithFormat:@"%@", value])));
 }
 
 NSArray* BuildAllAttributesArray() {
   NSArray* array = [NSArray arrayWithObjects:
       NSAccessibilityRoleDescriptionAttribute,
       NSAccessibilityTitleAttribute,
       NSAccessibilityValueAttribute,
       NSAccessibilityMinValueAttribute,
       NSAccessibilityMaxValueAttribute,
@@ skipping 178 matching lines @@
 
 const string AccessibilityTreeFormatterMac::GetAllowString() {
   return "@MAC-ALLOW:";
 }
 
 const string AccessibilityTreeFormatterMac::GetDenyString() {
   return "@MAC-DENY:";
 }
 
 }  // namespace content