Implement setSearchResults.

chrome/browser/ui/app_list/search/launcher_search/launcher_search_provider.cc

Index: chrome/browser/ui/app_list/search/launcher_search/launcher_search_provider.cc
diff --git a/chrome/browser/ui/app_list/search/launcher_search/launcher_search_provider.cc b/chrome/browser/ui/app_list/search/launcher_search/launcher_search_provider.cc
index 103c4b76bd8b8a0037618f4286aa1f37793c1449..f2c9ec103a6449b62383433f5864236a001acd9e 100644
--- a/chrome/browser/ui/app_list/search/launcher_search/launcher_search_provider.cc
+++ b/chrome/browser/ui/app_list/search/launcher_search/launcher_search_provider.cc
@@ -4,6 +4,7 @@
 
 #include "chrome/browser/ui/app_list/search/launcher_search/launcher_search_provider.h"
 
+#include "base/stl_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/chromeos/launcher_search_provider/service.h"
 
@@ -19,7 +20,9 @@ const int kLauncherSearchProviderMaxResults = 6;
 }  // namespace
 
 LauncherSearchProvider::LauncherSearchProvider(Profile* profile)
-    : profile_(profile), weak_ptr_factory_(this) {
+    : extension_results_deleter_(&extension_results_),
+      profile_(profile),
+      weak_ptr_factory_(this) {
 }
 
 LauncherSearchProvider::~LauncherSearchProvider() {
@@ -36,6 +39,9 @@ void LauncherSearchProvider::Stop() {
   // order not to start query after Stop() is called.
   query_timer_.Stop();
 
+  // Clear all search results of the previous query.
+  STLDeleteValues(&extension_results_);
+
   Service* service = Service::Get(profile_);
 
   // Since we delay queries and filter out empty string queries, it can happen
@@ -44,6 +50,29 @@ void LauncherSearchProvider::Stop() {
     service->OnQueryEnded();
 }
 
+void LauncherSearchProvider::SetSearchResults(
+    const extensions::ExtensionId& extension_id,
+    ScopedVector<LauncherSearchResult> results) {
+  DCHECK(Service::Get(profile_)->IsQueryRunning());
+
+  // If it already has the results of this extension, delete it first.
+  if (ContainsKey(extension_results_, extension_id)) {
+    delete extension_results_[extension_id];
+    extension_results_.erase(extension_id);
+  }
+
+  // Add this extension's results.
+  extension_results_.insert(std::make_pair(
+      extension_id, new ScopedVector<LauncherSearchResult>(results.Pass())));
+
+  // Update results with other extension results.
+  ClearResults();
+  for (const auto& item : extension_results_) {
+    for (const auto* result : *item.second)
+      Add(result->Duplicate());
+  }
+}
+
 void LauncherSearchProvider::DelayQuery(const base::Closure& closure) {
   base::TimeDelta delay =
       base::TimeDelta::FromMilliseconds(kLauncherSearchProviderQueryDelayInMs);
@@ -58,7 +87,7 @@ void LauncherSearchProvider::DelayQuery(const base::Closure& closure) {
 
 void LauncherSearchProvider::StartInternal(const base::string16& query) {
   if (!query.empty()) {
-    Service::Get(profile_)->OnQueryStarted(base::UTF16ToUTF8(query),
+    Service::Get(profile_)->OnQueryStarted(this, base::UTF16ToUTF8(query),
                                            kLauncherSearchProviderMaxResults);
   }
 }