[Android WebView] Implement WebSettings.{get|set}CacheMode

android_webview/java/src/org/chromium/android_webview/AwContents.java

Index: android_webview/java/src/org/chromium/android_webview/AwContents.java
diff --git a/android_webview/java/src/org/chromium/android_webview/AwContents.java b/android_webview/java/src/org/chromium/android_webview/AwContents.java
index d1060cf74f5dfdada4c8b92cc16b52459885648d..12e18ff0241900355eb1d7286290590a5aa1094d 100644
--- a/android_webview/java/src/org/chromium/android_webview/AwContents.java
+++ b/android_webview/java/src/org/chromium/android_webview/AwContents.java
@@ -128,7 +128,13 @@ public class AwContents {
     }
 
     private class IoThreadClientImpl implements AwContentsIoThreadClient {
-        // Called on the IO thread.
+        // All methods are called on the IO thread.
+
+        @Override
+        public int getCacheMode() {
+            return AwContents.this.mSettings.getCacheMode();
+        }
+
         @Override
         public InterceptedRequestData shouldInterceptRequest(final String url) {
             InterceptedRequestData interceptedRequestData =
@@ -142,19 +148,16 @@ public class AwContents {
             return interceptedRequestData;
         }
 
-        // Called on the IO thread.
         @Override
         public boolean shouldBlockContentUrls() {
             return !AwContents.this.mSettings.getAllowContentAccess();
         }
 
-        // Called on the IO thread.
         @Override
         public boolean shouldBlockFileUrls() {
             return !AwContents.this.mSettings.getAllowFileAccess();
         }
 
-        // Called on the IO thread.
         @Override
         public boolean shouldBlockNetworkLoads() {
             return AwContents.this.mSettings.getBlockNetworkLoads();