Remove all callers of Profile::GetResourceContext().

content/public/test/test_browser_context.cc

Index: content/public/test/test_browser_context.cc
diff --git a/content/public/test/test_browser_context.cc b/content/public/test/test_browser_context.cc
index e4c1ca0a907c1bc1d4f6632adb1b3dbcd8d4c716..24b11a9203b3a0d531841dcfc104eca5b1d03f4b 100644
--- a/content/public/test/test_browser_context.cc
+++ b/content/public/test/test_browser_context.cc
@@ -59,7 +59,8 @@ TestBrowserContext::GetMediaRequestContextForRenderProcess(
   return NULL;
 }
 
-ResourceContext* TestBrowserContext::GetResourceContext() {
+ResourceContext* TestBrowserContext::GetResourceContext(
+    SiteInstance* instance) {
   if (!resource_context_.get())
     resource_context_.reset(new MockResourceContext());
   return resource_context_.get();