Replace blink::WebDiscardableMemory with base::DiscardableMemory.

content/child/blink_platform_impl.cc

 // Copyright 2014 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/child/blink_platform_impl.h"
 
 #include <math.h>
 
 #include <vector>
 
@@ skipping 32 matching lines @@
 #include "content/child/content_child_helpers.h"
 #include "content/child/geofencing/web_geofencing_provider_impl.h"
 #include "content/child/navigator_connect/service_port_provider.h"
 #include "content/child/notifications/notification_dispatcher.h"
 #include "content/child/notifications/notification_manager.h"
 #include "content/child/permissions/permission_dispatcher.h"
 #include "content/child/permissions/permission_dispatcher_thread_proxy.h"
 #include "content/child/push_messaging/push_dispatcher.h"
 #include "content/child/push_messaging/push_provider.h"
 #include "content/child/thread_safe_sender.h"
-#include "content/child/web_discardable_memory_impl.h"
 #include "content/child/web_url_loader_impl.h"
 #include "content/child/web_url_request_util.h"
 #include "content/child/websocket_bridge.h"
 #include "content/child/worker_thread_registry.h"
 #include "content/public/common/content_client.h"
 #include "net/base/data_url.h"
 #include "net/base/ip_address_number.h"
 #include "net/base/net_errors.h"
 #include "net/base/port_util.h"
 #include "third_party/WebKit/public/platform/WebData.h"
@@ skipping 905 matching lines @@
 }
 
 size_t BlinkPlatformImpl::actualMemoryUsageMB() {
   return GetMemoryUsageKB() >> 10;
 }
 
 size_t BlinkPlatformImpl::numberOfProcessors() {
   return static_cast<size_t>(base::SysInfo::NumberOfProcessors());
 }
 
-blink::WebDiscardableMemory*
-BlinkPlatformImpl::allocateAndLockDiscardableMemory(size_t bytes) {
-  return content::WebDiscardableMemoryImpl::CreateLockedMemory(bytes).release();
-}
-
 size_t BlinkPlatformImpl::maxDecodedImageBytes() {
 #if defined(OS_ANDROID)
   if (base::SysInfo::IsLowEndDevice()) {
     // Limit image decoded size to 3M pixels on low end devices.
     // 4 is maximum number of bytes per pixel.
     return 3 * 1024 * 1024 * 4;
   }
   // For other devices, limit decoded image size based on the amount of physical
   // memory.
   // In some cases all physical memory is not accessible by Chromium, as it can
@@ skipping 32 matching lines @@
   return WebString::fromUTF8(ui::KeycodeConverter::DomKeyToKeyString(
       static_cast<ui::DomKey>(dom_key)));
 }
 
 int BlinkPlatformImpl::domKeyEnumFromString(const WebString& key_string) {
   return static_cast<int>(
       ui::KeycodeConverter::KeyStringToDomKey(key_string.utf8()));
 }
 
 }  // namespace content