Extensions: pass ChromeV8Context around instead of v8::Handle.

chrome/renderer/extensions/file_system_natives.cc

Index: chrome/renderer/extensions/file_system_natives.cc
diff --git a/chrome/renderer/extensions/file_system_natives.cc b/chrome/renderer/extensions/file_system_natives.cc
index 8c058d735eac21f8a586d01995f0890c86693eac..931c370d5995cfe6299e88ab095f54d78874cc5f 100644
--- a/chrome/renderer/extensions/file_system_natives.cc
+++ b/chrome/renderer/extensions/file_system_natives.cc
@@ -9,6 +9,7 @@
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "chrome/common/url_constants.h"
+#include "chrome/renderer/extensions/chrome_v8_context.h"
 #include "chrome/renderer/extensions/user_script_slave.h"
 #include "extensions/common/constants.h"
 #include "grit/renderer_resources.h"
@@ -21,7 +22,7 @@
 
 namespace extensions {
 
-FileSystemNatives::FileSystemNatives(v8::Handle<v8::Context> context)
+FileSystemNatives::FileSystemNatives(ChromeV8Context* context)
     : ObjectBackedNativeHandler(context) {
   RouteFunction("GetFileEntry",
       base::Bind(&FileSystemNatives::GetFileEntry, base::Unretained(this)));
@@ -38,7 +39,8 @@ v8::Handle<v8::Value> FileSystemNatives::GetIsolatedFileSystem(
   DCHECK(args.Length() == 1 || args.Length() == 2);
   DCHECK(args[0]->IsString());
   std::string file_system_id(*v8::String::Utf8Value(args[0]));
-  WebKit::WebFrame* webframe = WebKit::WebFrame::frameForContext(v8_context());
+  WebKit::WebFrame* webframe =
+      WebKit::WebFrame::frameForContext(context()->v8_context());
   DCHECK(webframe);
 
   GURL context_url =
@@ -91,7 +93,8 @@ v8::Handle<v8::Value> FileSystemNatives::GetFileEntry(
   DCHECK(args[4]->IsBoolean());
   bool is_directory = args[4]->BooleanValue();
 
-  WebKit::WebFrame* webframe = WebKit::WebFrame::frameForContext(v8_context());
+  WebKit::WebFrame* webframe =
+      WebKit::WebFrame::frameForContext(context()->v8_context());
   DCHECK(webframe);
   return webframe->createFileEntry(
       type,