arc: Remove IntentHelperInstance::HandleUrlListDeprecated.

Remove IntentHelperInstance's HandleUrlListDeprecated
method. Chrome stopped calling it in
https://codereview.chromium.org/2392253003/.

BUG=647802

Review-Url: https://codereview.chromium.org/2397263003
Cr-Commit-Position: refs/heads/master@{#423798}

components/arc/common/intent_helper.mojom

@@ -115,11 +115,6 @@ interface IntentHelperInstance {
                                  ActivityName activity,
                                  ActionType action_type);
 
-  // Deprecated. Use HandleUrlList.
-  [MinVersion=4] HandleUrlListDeprecated@5(array<UrlWithMimeType> urls,
-                                           string package_name,
-                                           ActionType action_type);
-
   // Establishes full-duplex communication with the host.
   Init@0(IntentHelperHost host_ptr);
 

components/arc/test/fake_intent_helper_instance.cc

@@ -35,11 +35,6 @@ void FakeIntentHelperInstance::HandleUrlList(
     mojom::ActivityNamePtr activity,
     mojom::ActionType action) {}
 
-void FakeIntentHelperInstance::HandleUrlListDeprecated(
-    mojo::Array<mojom::UrlWithMimeTypePtr> urls,
-    const mojo::String& package_name,
-    mojom::ActionType action) {}
-
 void FakeIntentHelperInstance::Init(mojom::IntentHelperHostPtr host_ptr) {}
 
 void FakeIntentHelperInstance::RequestActivityIcons(

components/arc/test/fake_intent_helper_instance.h

@@ -51,10 +51,6 @@ class FakeIntentHelperInstance : public mojom::IntentHelperInstance {
                      mojom::ActivityNamePtr activity,
                      mojom::ActionType action) override;
 
-  void HandleUrlListDeprecated(mojo::Array<mojom::UrlWithMimeTypePtr> urls,
-                               const mojo::String& package_name,
-                               mojom::ActionType action) override;
-
   void Init(mojom::IntentHelperHostPtr host_ptr) override;
 
   void RequestActivityIcons(