Fix build without tcmalloc.

chrome/renderer/chrome_render_process_observer.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 "chrome/renderer/chrome_render_process_observer.h"
 
 #include "base/allocator/allocator_extension.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
@@ skipping 17 matching lines @@
 #include "chrome/renderer/security_filter_peer.h"
 #include "content/public/common/resource_dispatcher_delegate.h"
 #include "content/public/renderer/render_thread.h"
 #include "content/public/renderer/render_view_visitor.h"
 #include "content/public/renderer/render_view.h"
 #include "crypto/nss_util.h"
 #include "media/base/media_switches.h"
 #include "net/base/net_errors.h"
 #include "net/base/net_module.h"
 #include "third_party/sqlite/sqlite3.h"
-#include "third_party/tcmalloc/chromium/src/gperftools/heap-profiler.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebCache.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebCrossOriginPreflightResultCache.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFontCache.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebRuntimeFeatures.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
 #include "v8/include/v8.h"
 
 #if defined(OS_WIN)
 #include "base/win/iat_patch_function.h"
 #endif
 
+#if defined(USE_TCMALLOC)
+#include "third_party/tcmalloc/chromium/src/gperftools/heap-profiler.h"
+#endif
+
 using WebKit::WebCache;
 using WebKit::WebCrossOriginPreflightResultCache;
 using WebKit::WebFontCache;
 using WebKit::WebRuntimeFeatures;
 using content::RenderThread;
 
 namespace {
 
 static const int kCacheStatsDelayMS = 2000;
 
@@ skipping 278 matching lines @@
   if (clear_cache_pending_) {
     clear_cache_pending_ = false;
     WebCache::clear();
   }
 }
 
 const RendererContentSettingRules*
 ChromeRenderProcessObserver::content_setting_rules() const {
   return &content_setting_rules_;
 }