Split most of RenderViewTest and associated classes into content.

content/renderer/render_view_browsertest_mac.mm

Index: content/renderer/render_view_browsertest_mac.mm
diff --git a/content/renderer/render_view_browsertest_mac.mm b/content/renderer/render_view_browsertest_mac.mm
index 8784c2cef11496717ace500818c7a298d3b55573..fc779c11201acc8942a6b0cb1c9f602ca314dc92 100644
--- a/content/renderer/render_view_browsertest_mac.mm
+++ b/content/renderer/render_view_browsertest_mac.mm
@@ -4,9 +4,9 @@
 
 #include "base/string_util.h"
 #include "base/string16.h"
-#include "chrome/test/base/render_view_test.h"
 #include "content/common/native_web_keyboard_event.h"
 #include "content/renderer/render_view_impl.h"
+#include "content/test/render_view_test.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 #include <Cocoa/Cocoa.h>
@@ -40,7 +40,7 @@ NSEvent* CmdDeadKeyEvent(NSEventType type, unsigned short code) {
 
 // Test that cmd-up/down scrolls the page exactly if it is not intercepted by
 // javascript.
-TEST_F(RenderViewTest, MacTestCmdUp) {
+TEST_F(content::RenderViewTest, MacTestCmdUp) {
   // Some preprocessor trickery so that we can have literal html in our source,
   // makes it easier to copy html to and from an html file for testing (the
   // preprocessor will remove the newlines at the line ends, turning this into