weblayer: rename member

java_observer_ -> java_delegate_

BUG=none
TEST=none

Change-Id: Ic11f77dfc5110188e6dc658b0fdcd49975e48e40
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1866067
Commit-Queue: Scott Violet <sky@chromium.org>
Reviewed-by: Evan Stade <estade@chromium.org>
Cr-Commit-Position: refs/heads/master@{#706943}

weblayer/browser/fullscreen_delegate_proxy.cc

@@ -19,7 +19,7 @@ FullscreenDelegateProxy::FullscreenDelegateProxy(
     JNIEnv* env,
     jobject obj,
     BrowserController* browser_controller)
-    : browser_controller_(browser_controller), java_observer_(env, obj) {
+    : browser_controller_(browser_controller), java_delegate_(env, obj) {
   browser_controller_->SetFullscreenDelegate(this);
 }
 
@@ -30,12 +30,12 @@ FullscreenDelegateProxy::~FullscreenDelegateProxy() {
 void FullscreenDelegateProxy::EnterFullscreen(base::OnceClosure exit_closure) {
   exit_fullscreen_closure_ = std::move(exit_closure);
   Java_FullscreenDelegateProxy_enterFullscreen(AttachCurrentThread(),
-                                               java_observer_);
+                                               java_delegate_);
 }
 
 void FullscreenDelegateProxy::ExitFullscreen() {
   Java_FullscreenDelegateProxy_exitFullscreen(AttachCurrentThread(),
-                                              java_observer_);
+                                              java_delegate_);
 }
 
 void FullscreenDelegateProxy::DoExitFullscreen(

weblayer/browser/fullscreen_delegate_proxy.h

@@ -36,7 +36,7 @@ class FullscreenDelegateProxy : public FullscreenDelegate {
 
  private:
   BrowserController* browser_controller_;
-  base::android::ScopedJavaGlobalRef<jobject> java_observer_;
+  base::android::ScopedJavaGlobalRef<jobject> java_delegate_;
   base::OnceClosure exit_fullscreen_closure_;
 
   DISALLOW_COPY_AND_ASSIGN(FullscreenDelegateProxy);