Split Camera and Mic into two permissions on the Site Details page (under Site Settings).

chrome/android/java/src/org/chromium/chrome/browser/preferences/website/MicrophoneInfo.java

Index: chrome/android/java/src/org/chromium/chrome/browser/preferences/website/MicrophoneInfo.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/preferences/website/CookieInfo.java b/chrome/android/java/src/org/chromium/chrome/browser/preferences/website/MicrophoneInfo.java
similarity index 64%
copy from chrome/android/java/src/org/chromium/chrome/browser/preferences/website/CookieInfo.java
copy to chrome/android/java/src/org/chromium/chrome/browser/preferences/website/MicrophoneInfo.java
index bc8acdf6abd381093884e93d61b1221eab328461..d29c081ab176307868b2cc937ff1d8a7e881c68a 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/preferences/website/CookieInfo.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/preferences/website/MicrophoneInfo.java
@@ -5,21 +5,21 @@
 package org.chromium.chrome.browser.preferences.website;
 
 /**
- * Cookie information for a given origin.
+ * Microphone information for a given origin.
  */
-public class CookieInfo extends PermissionInfo {
-    public CookieInfo(String origin, String embedder) {
+public class MicrophoneInfo extends PermissionInfo {
+    public MicrophoneInfo(String origin, String embedder) {
         super(origin, embedder);
     }
 
     protected int getNativePreferenceValue(String origin, String embedder) {
-        return WebsitePreferenceBridge.nativeGetCookieSettingForOrigin(
+        return WebsitePreferenceBridge.nativeGetMicrophoneSettingForOrigin(
                 origin, embedder);
     }
 
     protected void setNativePreferenceValue(
             String origin, String embedder, int value) {
-        WebsitePreferenceBridge.nativeSetCookieSettingForOrigin(
+        WebsitePreferenceBridge.nativeSetMicrophoneSettingForOrigin(
                 origin, embedder, value);
     }
 }