Add an IPC method for Blink to call RapporService::RecordSample()

content/public/renderer/render_thread.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_PUBLIC_RENDERER_RENDER_THREAD_H_
 #define CONTENT_PUBLIC_RENDERER_RENDER_THREAD_H_
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/memory/shared_memory.h"
@@ skipping 79 matching lines @@
   //   RenderThread::Get()->RecordAction(
   //       base::UserMetricsAction("my extremely long action name"));
   // because otherwise our processing scripts won't pick up on new actions.
   virtual void RecordAction(const base::UserMetricsAction& action) = 0;
 
   // Sends over a string to be recorded by user metrics as a computed action.
   // When you use this you need to also update the rules for extracting known
   // actions in chrome/tools/extract_actions.py.
   virtual void RecordComputedAction(const std::string& action) = 0;
 
+  // Sends over a metric and sample string to be recorded by RAPPOR.
+  virtual void RecordRappor(
+      const std::string& metric,
+      const std::string& sample) = 0;
+
   // Asks the host to create a block of shared memory for the renderer.
   // The shared memory allocated by the host is returned back.
   virtual scoped_ptr<base::SharedMemory> HostAllocateSharedMemoryBuffer(
       size_t buffer_size) = 0;
 
   virtual cc::SharedBitmapManager* GetSharedBitmapManager() = 0;
 
   // Registers the given V8 extension with WebKit.
   virtual void RegisterExtension(v8::Extension* extension) = 0;
 
@@ skipping 21 matching lines @@
   // Gets the shutdown event for the process.
   virtual base::WaitableEvent* GetShutdownEvent() = 0;
 
   // Returns the ServiceRegistry for this thread.
   virtual ServiceRegistry* GetServiceRegistry() = 0;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_RENDERER_RENDER_THREAD_H_