Expose a low-end device mode override flags for non-android OSs as well

content/renderer/render_process_impl.cc

 // 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/renderer/render_process_impl.h"
 
 #include "build/build_config.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <objidl.h>
 #include <mlang.h>
 #endif
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/sys_info.h"
+#include "base/sys_utils.h"
 #include "content/child/child_thread.h"
 #include "content/child/npapi/plugin_instance.h"
 #include "content/child/npapi/plugin_lib.h"
 #include "content/child/site_isolation_policy.h"
 #include "content/common/view_messages.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/renderer/content_renderer_client.h"
 #include "ipc/ipc_channel.h"
 #include "ipc/ipc_message_utils.h"
 #include "skia/ext/platform_canvas.h"
 #include "third_party/WebKit/public/web/WebFrame.h"
 #include "ui/surface/transport_dib.h"
 #include "v8/include/v8.h"
 
 #if defined(OS_MACOSX)
 #include "base/mac/mac_util.h"
 #endif
 
-#if defined(OS_ANDROID)
-#include "base/android/sys_utils.h"
-#endif
-
 namespace content {
 
 RenderProcessImpl::RenderProcessImpl()
     : shared_mem_cache_cleaner_(
           FROM_HERE, base::TimeDelta::FromSeconds(5),
           this, &RenderProcessImpl::ClearTransportDIBCache),
       transport_dib_next_sequence_number_(0),
       enabled_bindings_(0) {
   for (size_t i = 0; i < arraysize(shared_mem_cache_); ++i)
     shared_mem_cache_[i] = NULL;
 
 #if defined(OS_WIN)
   // HACK:  See http://b/issue?id=1024307 for rationale.
   if (GetModuleHandle(L"LPK.DLL") == NULL) {
     // Makes sure lpk.dll is loaded by gdi32 to make sure ExtTextOut() works
     // when buffering into a EMF buffer for printing.
     typedef BOOL (__stdcall *GdiInitializeLanguagePack)(int LoadedShapingDLLs);
     GdiInitializeLanguagePack gdi_init_lpk =
         reinterpret_cast<GdiInitializeLanguagePack>(GetProcAddress(
             GetModuleHandle(L"GDI32.DLL"),
             "GdiInitializeLanguagePack"));
     DCHECK(gdi_init_lpk);
     if (gdi_init_lpk) {
       gdi_init_lpk(0);
     }
   }
 #endif
 
-#if defined(OS_ANDROID)
-  if (base::android::SysUtils::IsLowEndDevice()) {
+  if (base::SysUtils::IsLowEndDevice()) {
     std::string optimize_flag("--optimize-for-size");
     v8::V8::SetFlagsFromString(optimize_flag.c_str(),
                                static_cast<int>(optimize_flag.size()));
   }
-#endif
 
   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
   if (command_line.HasSwitch(switches::kJavaScriptFlags)) {
     std::string flags(
         command_line.GetSwitchValueASCII(switches::kJavaScriptFlags));
     v8::V8::SetFlagsFromString(flags.c_str(), static_cast<int>(flags.size()));
   }
 
   // Turn on cross-site document blocking for renderer processes.
   SiteIsolationPolicy::SetPolicyEnabled(
@@ skipping 148 matching lines @@
 void RenderProcessImpl::ClearTransportDIBCache() {
   for (size_t i = 0; i < arraysize(shared_mem_cache_); ++i) {
     if (shared_mem_cache_[i]) {
       FreeTransportDIB(shared_mem_cache_[i]);
       shared_mem_cache_[i] = NULL;
     }
   }
 }
 
 }  // namespace content