More out-of-lining of test code, along with a bunch of GMOCK objects.

chrome/common/net/test_url_fetcher_factory.h

Index: chrome/common/net/test_url_fetcher_factory.h
diff --git a/chrome/common/net/test_url_fetcher_factory.h b/chrome/common/net/test_url_fetcher_factory.h
index 73f4b460837c22a2452bf594a44720ae431caa43..65625a40907d215dd15d275554b72dd6911d94b1 100644
--- a/chrome/common/net/test_url_fetcher_factory.h
+++ b/chrome/common/net/test_url_fetcher_factory.h
@@ -76,7 +76,8 @@ class TestURLFetcher : public URLFetcher {
 // are registered in a map by the id passed to the create method.
 class TestURLFetcherFactory : public URLFetcher::Factory {
  public:
-  TestURLFetcherFactory() {}
+  TestURLFetcherFactory();
+  virtual ~TestURLFetcherFactory();
 
   virtual URLFetcher* CreateURLFetcher(int id,
                                        const GURL& url,
@@ -128,7 +129,8 @@ class TestURLFetcherFactory : public URLFetcher::Factory {
 
 class FakeURLFetcherFactory : public URLFetcher::Factory {
  public:
-  FakeURLFetcherFactory() {}
+  FakeURLFetcherFactory();
+  virtual ~FakeURLFetcherFactory();
 
   // If no fake response is set for the given URL this method will return NULL.
   // Otherwise, it will return a URLFetcher object which will respond with the