Bug 1575263 - Remove redundant field names r=jgraham

Depends on D43939

Differential Revision: https://phabricator.services.mozilla.com/D43940

--HG--
extra : moz-landing-system : lando

testing/geckodriver/src/capabilities.rs

@@ -38,7 +38,7 @@ impl<'a> FirefoxCapabilities<'a> {
     pub fn new(fallback_binary: Option<&'a PathBuf>) -> FirefoxCapabilities<'a> {
         FirefoxCapabilities {
             chosen_binary: None,
-            fallback_binary: fallback_binary,
+            fallback_binary,
             version_cache: BTreeMap::new(),
         }
     }

testing/geckodriver/src/command.rs

@@ -194,7 +194,7 @@ impl<'de> Deserialize<'de> for AddonInstallParameters {
                 };
 
                 AddonInstallParameters {
-                    path: path,
+                    path,
                     temporary: data.temporary,
                 }
             }

testing/geckodriver/src/marionette.rs

@@ -523,9 +523,9 @@ impl MarionetteSession {
                 );
 
                 WebDriverResponse::Timeouts(TimeoutsResponse {
-                    script: script,
-                    page_load: page_load,
-                    implicit: implicit,
+                    script,
+                    page_load,
+                    implicit,
                 })
             }
             Status => panic!("Got status command that should already have been handled"),
@@ -949,9 +949,9 @@ impl Serialize for MarionetteCommand {
 impl MarionetteCommand {
     fn new(id: MessageId, name: String, params: Map<String, Value>) -> MarionetteCommand {
         MarionetteCommand {
-            id: id,
-            name: name,
-            params: params,
+            id,
+            name,
+            params,
         }
     }