Expose the capturePicture feature in RenderView for Android WebView legacy API support.

content/public/common/content_client.cc

Index: content/public/common/content_client.cc
diff --git a/content/public/common/content_client.cc b/content/public/common/content_client.cc
index f9df1888565778b43c4f60268d49e30682798c21..9dee64ef3fc6b2b8cd3bb179a7f59a795e261deb 100644
--- a/content/public/common/content_client.cc
+++ b/content/public/common/content_client.cc
@@ -52,6 +52,10 @@ ContentClient::ContentClient()
 ContentClient::~ContentClient() {
 }
 
+bool ContentClient::CanSendWhileSwappedOut(const IPC::Message* message) {
+  return false;
+}
+
 bool ContentClient::CanHandleWhileSwappedOut(const IPC::Message& message) {
   return false;
 }