Get rid of the following dependencies from content:

content/browser/site_instance_unittest.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 "base/compiler_specific.h"
 #include "base/stl_util-inl.h"
 #include "base/string16.h"
-#include "chrome/common/chrome_constants.h"
 #include "chrome/test/testing_profile.h"
 #include "content/browser/browser_thread.h"
 #include "content/browser/browsing_instance.h"
 #include "content/browser/child_process_security_policy.h"
 #include "content/browser/content_browser_client.h"
 #include "content/browser/renderer_host/browser_render_process_host.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/browser/renderer_host/test_render_view_host.h"
 #include "content/browser/site_instance.h"
 #include "content/browser/tab_contents/navigation_entry.h"
 #include "content/browser/tab_contents/tab_contents.h"
 #include "content/browser/webui/empty_web_ui_factory.h"
 #include "content/common/content_client.h"
+#include "content/common/content_constants.h"
 #include "content/common/url_constants.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 
 const char kSameAsAnyInstanceURL[] = "about:internets";
 
 class SiteInstanceTestWebUIFactory : public content::EmptyWebUIFactory {
  public:
   virtual bool UseWebUIForURL(Profile* profile, const GURL& url) const {
@@ skipping 433 matching lines @@
 
 // Test to ensure that pages that require certain privileges are grouped
 // in processes with similar pages.
 TEST_F(SiteInstanceTest, ProcessSharingByType) {
   MockRenderProcessHostFactory rph_factory;
   ChildProcessSecurityPolicy* policy =
       ChildProcessSecurityPolicy::GetInstance();
 
   // Make a bunch of mock renderers so that we hit the limit.
   std::vector<MockRenderProcessHost*> hosts;
-  for (size_t i = 0; i < chrome::kMaxRendererProcessCount; ++i)
+  for (size_t i = 0; i < content::kMaxRendererProcessCount; ++i)
     hosts.push_back(new MockRenderProcessHost(NULL));
 
   // Create some extension instances and make sure they share a process.
   scoped_refptr<SiteInstance> extension1_instance(
       CreateSiteInstance(&rph_factory, GURL("chrome-extension://foo/bar")));
   policy->GrantExtensionBindings(extension1_instance->GetProcess()->id());
 
   scoped_refptr<SiteInstance> extension2_instance(
       CreateSiteInstance(&rph_factory, GURL("chrome-extension://baz/bar")));
 
   scoped_ptr<RenderProcessHost> extension_host(
       extension1_instance->GetProcess());
   EXPECT_EQ(extension1_instance->GetProcess(),
             extension2_instance->GetProcess());
 
   // Create some WebUI instances and make sure they share a process.
   scoped_refptr<SiteInstance> webui1_instance(CreateSiteInstance(&rph_factory,
       GURL(chrome::kChromeUIScheme + std::string("://newtab"))));
   policy->GrantWebUIBindings(webui1_instance->GetProcess()->id());
 
   scoped_refptr<SiteInstance> webui2_instance( CreateSiteInstance(&rph_factory,
       GURL(chrome::kChromeUIScheme + std::string("://history"))));
 
   scoped_ptr<RenderProcessHost> dom_host(webui1_instance->GetProcess());
   EXPECT_EQ(webui1_instance->GetProcess(), webui2_instance->GetProcess());
 
   // Make sure none of differing privilege processes are mixed.
   EXPECT_NE(extension1_instance->GetProcess(), webui1_instance->GetProcess());
 
-  for (size_t i = 0; i < chrome::kMaxRendererProcessCount; ++i) {
+  for (size_t i = 0; i < content::kMaxRendererProcessCount; ++i) {
     EXPECT_NE(extension1_instance->GetProcess(), hosts[i]);
     EXPECT_NE(webui1_instance->GetProcess(), hosts[i]);
   }
 
   STLDeleteContainerPointers(hosts.begin(), hosts.end());
 }
 
 // Test to ensure that profiles that derive from each other share site
 // information.
 TEST_F(SiteInstanceTest, GetSiteInstanceMap) {
@@ skipping 53 matching lines @@
       GURL("chrome-extension://baz/bar")));
   EXPECT_EQ(s5a, s5b);
 
   // The derived profiles with the different sites.
   scoped_refptr<SiteInstance> s6a(instance1->GetSiteInstanceForURL(
       GURL("chrome-extension://baz/bar")));
   scoped_refptr<SiteInstance> s6b(instance3->GetSiteInstanceForURL(
       GURL("chrome-extension://foo/boo")));
   EXPECT_NE(s6a, s6b);
 }