Get rid of the following dependencies from content:

content/browser/renderer_host/render_process_host.cc

 // Copyright (c) 2011 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/renderer_host/render_process_host.h"
 
 #include "base/rand_util.h"
 #include "base/sys_info.h"
-#include "chrome/common/chrome_constants.h"
 #include "content/browser/browser_thread.h"
 #include "content/browser/child_process_security_policy.h"
 #include "content/common/child_process_info.h"
+#include "content/common/content_constants.h"
 #include "content/common/notification_service.h"
 
 namespace {
 
 size_t max_renderer_count_override = 0;
 
 size_t GetMaxRendererProcessCount() {
   if (max_renderer_count_override)
     return max_renderer_count_override;
 
@@ skipping 21 matching lines @@
     32,                       // 2816MB
     35,                       // 3072MB
     38,                       // 3328MB
     40                        // 3584MB
   };
 
   static size_t max_count = 0;
   if (!max_count) {
     size_t memory_tier = base::SysInfo::AmountOfPhysicalMemoryMB() / 256;
     if (memory_tier >= arraysize(kMaxRenderersByRamTier))
-      max_count = chrome::kMaxRendererProcessCount;
+      max_count = content::kMaxRendererProcessCount;
     else
       max_count = kMaxRenderersByRamTier[memory_tier];
   }
   return max_count;
 }
 
 // Returns true if the given host is suitable for launching a new view
 // associated with the given profile.
 static bool IsSuitableHost(RenderProcessHost* host, Profile* profile,
                            RenderProcessHost::Type type) {
@@ skipping 144 matching lines @@
 
   // Now pick a random suitable renderer, if we have any.
   if (!suitable_renderers.empty()) {
     int suitable_count = static_cast<int>(suitable_renderers.size());
     int random_index = base::RandInt(0, suitable_count - 1);
     return suitable_renderers[random_index];
   }
 
   return NULL;
 }