[inspector] allow generatePreview for wrapObject

This method is needed by some Blink agents to generate object previews.

Bug: 
Cq-Include-Trybots: master.tryserver.blink:linux_trusty_blink_rel;master.tryserver.chromium.linux:linux_chromium_rel_ng
Change-Id: I2304a6e44ea65ec469f3a3216b8bed789f706d0c
Reviewed-on: https://chromium-review.googlesource.com/821596Reviewed-by: Aleksey Kozyatinskiy <kozyatinskiy@chromium.org>
Reviewed-by: Dmitry Gozman <dgozman@chromium.org>
Commit-Queue: Eugene Ostroukhov <eostroukhov@chromium.org>
Cr-Commit-Position: refs/heads/master@{#50049}

include/v8-inspector.h

@@ -151,6 +151,10 @@ class V8_EXPORT V8InspectorSession {
   virtual std::unique_ptr<protocol::Runtime::API::RemoteObject> wrapObject(
       v8::Local<v8::Context>, v8::Local<v8::Value>,
       const StringView& groupName) = 0;
+  virtual std::unique_ptr<protocol::Runtime::API::RemoteObject> wrapObject(
+      v8::Local<v8::Context>, v8::Local<v8::Value>, const StringView& groupName,
+      bool generatePreview) = 0;
+
   virtual bool unwrapObject(std::unique_ptr<StringBuffer>* error,
                             const StringView& objectId, v8::Local<v8::Value>*,
                             v8::Local<v8::Context>*,

src/inspector/v8-inspector-session-impl.cc

@@ -263,7 +263,15 @@ std::unique_ptr<protocol::Runtime::API::RemoteObject>
 V8InspectorSessionImpl::wrapObject(v8::Local<v8::Context> context,
                                    v8::Local<v8::Value> value,
                                    const StringView& groupName) {
-  return wrapObject(context, value, toString16(groupName), false);
+  return wrapObject(context, value, groupName, false);
+}
+
+std::unique_ptr<protocol::Runtime::API::RemoteObject>
+V8InspectorSessionImpl::wrapObject(v8::Local<v8::Context> context,
+                                   v8::Local<v8::Value> value,
+                                   const StringView& groupName,
+                                   bool generatePreview) {
+  return wrapObject(context, value, toString16(groupName), generatePreview);
 }
 
 std::unique_ptr<protocol::Runtime::RemoteObject>

src/inspector/v8-inspector-session-impl.h

@@ -87,6 +87,9 @@ class V8InspectorSessionImpl : public V8InspectorSession,
   std::unique_ptr<protocol::Runtime::API::RemoteObject> wrapObject(
       v8::Local<v8::Context>, v8::Local<v8::Value>,
       const StringView& groupName) override;
+  std::unique_ptr<protocol::Runtime::API::RemoteObject> wrapObject(
+      v8::Local<v8::Context>, v8::Local<v8::Value>, const StringView& groupName,
+      bool generatePreview) override;
 
   V8InspectorSession::Inspectable* inspectedObject(unsigned num);
   static const unsigned kInspectedObjectBufferSize = 5;