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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "content/renderer/render_process_impl.h"
      6 
      7 #include "build/build_config.h"
      8 
      9 #if defined(OS_WIN)
     10 #include <windows.h>
     11 #include <objidl.h>
     12 #include <mlang.h>
     13 #endif
     14 
     15 #include "base/basictypes.h"
     16 #include "base/command_line.h"
     17 #include "base/compiler_specific.h"
     18 #include "content/child/site_isolation_policy.h"
     19 #include "content/public/common/content_switches.h"
     20 #include "content/public/renderer/content_renderer_client.h"
     21 #include "third_party/WebKit/public/web/WebFrame.h"
     22 #include "v8/include/v8.h"
     23 
     24 #if defined(OS_ANDROID)
     25 #include "base/android/sys_utils.h"
     26 #endif
     27 
     28 namespace content {
     29 
     30 RenderProcessImpl::RenderProcessImpl()
     31     : enabled_bindings_(0) {
     32 #if defined(OS_WIN)
     33   // HACK:  See http://b/issue?id=1024307 for rationale.
     34   if (GetModuleHandle(L"LPK.DLL") == NULL) {
     35     // Makes sure lpk.dll is loaded by gdi32 to make sure ExtTextOut() works
     36     // when buffering into a EMF buffer for printing.
     37     typedef BOOL (__stdcall *GdiInitializeLanguagePack)(int LoadedShapingDLLs);
     38     GdiInitializeLanguagePack gdi_init_lpk =
     39         reinterpret_cast<GdiInitializeLanguagePack>(GetProcAddress(
     40             GetModuleHandle(L"GDI32.DLL"),
     41             "GdiInitializeLanguagePack"));
     42     DCHECK(gdi_init_lpk);
     43     if (gdi_init_lpk) {
     44       gdi_init_lpk(0);
     45     }
     46   }
     47 #endif
     48 
     49 #if defined(OS_ANDROID)
     50   if (base::android::SysUtils::IsLowEndDevice()) {
     51     std::string optimize_flag("--optimize-for-size");
     52     v8::V8::SetFlagsFromString(optimize_flag.c_str(),
     53                                static_cast<int>(optimize_flag.size()));
     54   }
     55 #endif
     56 
     57   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
     58   if (command_line.HasSwitch(switches::kJavaScriptFlags)) {
     59     std::string flags(
     60         command_line.GetSwitchValueASCII(switches::kJavaScriptFlags));
     61     v8::V8::SetFlagsFromString(flags.c_str(), static_cast<int>(flags.size()));
     62   }
     63 
     64   // Turn on cross-site document blocking for renderer processes.
     65   SiteIsolationPolicy::SetPolicyEnabled(
     66       GetContentClient()->renderer()->ShouldEnableSiteIsolationPolicy());
     67 }
     68 
     69 RenderProcessImpl::~RenderProcessImpl() {
     70 #ifndef NDEBUG
     71   int count = blink::WebFrame::instanceCount();
     72   if (count)
     73     DLOG(ERROR) << "WebFrame LEAKED " << count << " TIMES";
     74 #endif
     75 
     76   GetShutDownEvent()->Signal();
     77 }
     78 
     79 void RenderProcessImpl::AddBindings(int bindings) {
     80   enabled_bindings_ |= bindings;
     81 }
     82 
     83 int RenderProcessImpl::GetEnabledBindings() const {
     84   return enabled_bindings_;
     85 }
     86 
     87 }  // namespace content
     88