[base] Replace Contains{Key,Value} with Contains in //extensions

This change replaces usages of base::ContainsKey() and base::ContainsValue()
with base::Contains() in //extensions.

Reproduction:
 - sed -i 's/\bbase::ContainsKey\b/base::Contains/g'
 - sed -i 's/\bbase::ContainsValue\b/base::Contains/g'
 - git cl format

This CL was uploaded by git cl split.

[email protected], [email protected]

Bug: 970209
Change-Id: Ieb98ed38010683964cf62feae5da77e3e5c3a946
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1648188
Auto-Submit: Jan Wilken Dörrie <[email protected]>
Reviewed-by: Istiaque Ahmed <[email protected]>
Commit-Queue: Jan Wilken Dörrie <[email protected]>
Cr-Commit-Position: refs/heads/master@{#667068}
diff --git a/extensions/browser/renderer_startup_helper_unittest.cc b/extensions/browser/renderer_startup_helper_unittest.cc
index 7afa40f..bcc5f85b 100644
--- a/extensions/browser/renderer_startup_helper_unittest.cc
+++ b/extensions/browser/renderer_startup_helper_unittest.cc
@@ -110,25 +110,24 @@
   }
 
   bool IsProcessInitialized(content::RenderProcessHost* rph) {
-    return base::ContainsKey(helper_->initialized_processes_, rph);
+    return base::Contains(helper_->initialized_processes_, rph);
   }
 
   bool IsExtensionLoaded(const Extension& extension) {
-    return base::ContainsKey(helper_->extension_process_map_, extension.id());
+    return base::Contains(helper_->extension_process_map_, extension.id());
   }
 
   bool IsExtensionLoadedInProcess(const Extension& extension,
                                   content::RenderProcessHost* rph) {
     return IsExtensionLoaded(extension) &&
-           base::ContainsKey(helper_->extension_process_map_[extension.id()],
-                             rph);
+           base::Contains(helper_->extension_process_map_[extension.id()], rph);
   }
 
   bool IsExtensionPendingActivationInProcess(const Extension& extension,
                                              content::RenderProcessHost* rph) {
-    return base::ContainsKey(helper_->pending_active_extensions_, rph) &&
-           base::ContainsKey(helper_->pending_active_extensions_[rph],
-                             extension.id());
+    return base::Contains(helper_->pending_active_extensions_, rph) &&
+           base::Contains(helper_->pending_active_extensions_[rph],
+                          extension.id());
   }
 
   std::unique_ptr<RendererStartupHelper> helper_;