Remove unused memory functions

content/renderer/renderer_blink_platform_impl.cc

Index: content/renderer/renderer_blink_platform_impl.cc
diff --git a/content/renderer/renderer_blink_platform_impl.cc b/content/renderer/renderer_blink_platform_impl.cc
index 1fa92f3d3671b0f09a9433f95a349f7741db5a68..8c071c8ec3e1070447c2e6394d253b25f36104b7 100644
--- a/content/renderer/renderer_blink_platform_impl.cc
+++ b/content/renderer/renderer_blink_platform_impl.cc
@@ -975,17 +975,6 @@ blink::WebSpeechSynthesizer* RendererBlinkPlatformImpl::createSpeechSynthesizer(
 
 //------------------------------------------------------------------------------
 
-bool RendererBlinkPlatformImpl::processMemorySizesInBytes(
-    size_t* private_bytes,
-    size_t* shared_bytes) {
-  content::RenderThread::Get()->Send(
-      new RenderProcessHostMsg_GetProcessMemorySizes(
-          private_bytes, shared_bytes));
-  return true;
-}
-
-//------------------------------------------------------------------------------
-
 blink::WebGraphicsContext3D*
 RendererBlinkPlatformImpl::createOffscreenGraphicsContext3D(
     const blink::WebGraphicsContext3D::Attributes& attributes) {