Change the default webView behavior to minimize the memory consumption

For now, we just limit the expansion on x and y direction.
In the future, we need to dynamically allocate and deallocate the memory.

browser change is : c/148242

bug:5522175
Change-Id: I8562c39c55913ab89848afe8a36e8a2784c12727

1 files changed, 6 insertions, 2 deletions

diff --git a/Source/WebKit/android/nav/WebView.cpp b/Source/WebKit/android/nav/WebView.cpp
index 10f679d..d4131c0 100644
--- a/Source/WebKit/android/nav/WebView.cpp
+++ b/Source/WebKit/android/nav/WebView.cpp
@@ -2639,16 +2639,20 @@ static bool nativeSetProperty(JNIEnv *env, jobject obj, jstring jkey, jstring jv
             TilesManager::instance()->setInvertedScreen(false);
         return true;
     }
-    if (key == "inverted_contrast") {
+    else if (key == "inverted_contrast") {
         float contrast = value.toFloat();
         TilesManager::instance()->setInvertedScreenContrast(contrast);
         return true;
     }
-    if (key == "enable_cpu_upload_path") {
+    else if (key == "enable_cpu_upload_path") {
         TilesManager::instance()->transferQueue()->setTextureUploadType(
             value == "true" ? CpuUpload : GpuUpload);
         return true;
     }
+    else if (key == "use_minimal_memory") {
+        TilesManager::instance()->setUseMinimalMemory(value == "true");
+        return true;
+    }
     return false;
 }