Remove the chrome namespace around ChromeContent[Renderer]Client.

chrome/renderer/chrome_content_renderer_client_unittest.cc

Index: chrome/renderer/chrome_content_renderer_client_unittest.cc
diff --git a/chrome/renderer/chrome_content_renderer_client_unittest.cc b/chrome/renderer/chrome_content_renderer_client_unittest.cc
index a353ed5b5cf0259cd836aea3ada4be974872f53b..f31f3f4387a4a2155907ecb349d45becac40ed37 100644
--- a/chrome/renderer/chrome_content_renderer_client_unittest.cc
+++ b/chrome/renderer/chrome_content_renderer_client_unittest.cc
@@ -21,12 +21,9 @@
 using WebKit::WebPluginParams;
 using WebKit::WebString;
 using WebKit::WebVector;
-using chrome::ChromeContentRendererClient;
 using content::WebPluginInfo;
 using content::WebPluginMimeType;
 
-namespace chrome {
-
 namespace {
 const bool kNaClRestricted = false;
 const bool kNaClUnrestricted = true;
@@ -389,5 +386,3 @@ TEST_F(ChromeContentRendererClientTest, ShouldSuppressErrorPage) {
   EXPECT_FALSE(client.ShouldSuppressErrorPage(GURL("http://example.com")));
   EXPECT_TRUE(client.ShouldSuppressErrorPage(GURL("http://example.com/n")));
 }
-
-}  // namespace chrome