Add an interface for Flash to clear its data.

content/browser/renderer_host/pepper_file_message_filter.cc

Index: content/browser/renderer_host/pepper_file_message_filter.cc
diff --git a/content/browser/renderer_host/pepper_file_message_filter.cc b/content/browser/renderer_host/pepper_file_message_filter.cc
index d6abca9321dd3f87091bbb4cdc438ae0c768980c..722db59fa749d4daf5608d183480e8cc89a5fb25 100644
--- a/content/browser/renderer_host/pepper_file_message_filter.cc
+++ b/content/browser/renderer_host/pepper_file_message_filter.cc
@@ -41,8 +41,7 @@ PepperFileMessageFilter::PepperFileMessageFilter(
     int child_id, content::BrowserContext* browser_context)
         : child_id_(child_id),
           channel_(NULL) {
-  pepper_path_ =
-      browser_context->GetPath().Append(FILE_PATH_LITERAL("Pepper Data"));
+  pepper_path_ = GetDataDirName(browser_context->GetPath());
 }
 
 PepperFileMessageFilter::~PepperFileMessageFilter() {
@@ -76,6 +75,11 @@ void PepperFileMessageFilter::OnDestruct() const {
   BrowserThread::DeleteOnIOThread::Destruct(this);
 }
 
+// static
+FilePath PepperFileMessageFilter::GetDataDirName(const FilePath& profile_path) {
+  return profile_path.Append(FILE_PATH_LITERAL("Pepper Data"));
+}
+
 // Called on the FILE thread:
 void PepperFileMessageFilter::OnOpenFile(
     const webkit::ppapi::PepperFilePath& path,