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

chrome/common/net/test_url_fetcher_factory.cc

Index: chrome/common/net/test_url_fetcher_factory.cc
diff --git a/chrome/common/net/test_url_fetcher_factory.cc b/chrome/common/net/test_url_fetcher_factory.cc
index af65eb95c0e9a1e3712103e02c6ce08d30075521..869e9be5bbb06ac1c39f4d1b2b486043a40a48b1 100644
--- a/chrome/common/net/test_url_fetcher_factory.cc
+++ b/chrome/common/net/test_url_fetcher_factory.cc
@@ -19,6 +19,10 @@ TestURLFetcher::TestURLFetcher(int id,
       original_url_(url) {
 }
 
+TestURLFetcherFactory::TestURLFetcherFactory() {}
+
+TestURLFetcherFactory::~TestURLFetcherFactory() {}
+
 URLFetcher* TestURLFetcherFactory::CreateURLFetcher(
     int id,
     const GURL& url,
@@ -87,6 +91,10 @@ class FakeURLFetcher : public URLFetcher {
   DISALLOW_COPY_AND_ASSIGN(FakeURLFetcher);
 };
 
+FakeURLFetcherFactory::FakeURLFetcherFactory() {}
+
+FakeURLFetcherFactory::~FakeURLFetcherFactory() {}
+
 URLFetcher* FakeURLFetcherFactory::CreateURLFetcher(
     int id,
     const GURL& url,